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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/rgw/rgw_rest_swift.cc
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rgw/rgw_rest_swift.cc')
-rw-r--r--src/rgw/rgw_rest_swift.cc3114
1 files changed, 3114 insertions, 0 deletions
diff --git a/src/rgw/rgw_rest_swift.cc b/src/rgw/rgw_rest_swift.cc
new file mode 100644
index 000000000..ee943ea44
--- /dev/null
+++ b/src/rgw/rgw_rest_swift.cc
@@ -0,0 +1,3114 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/format.hpp>
+#include <boost/optional.hpp>
+#include <boost/utility/in_place_factory.hpp>
+
+#include "include/ceph_assert.h"
+#include "ceph_ver.h"
+
+#include "common/Formatter.h"
+#include "common/utf8.h"
+#include "common/ceph_json.h"
+
+#include "rgw_rest_swift.h"
+#include "rgw_acl_swift.h"
+#include "rgw_cors_swift.h"
+#include "rgw_formats.h"
+#include "rgw_client_io.h"
+#include "rgw_compression.h"
+
+#include "rgw_auth.h"
+#include "rgw_auth_registry.h"
+#include "rgw_swift_auth.h"
+
+#include "rgw_request.h"
+#include "rgw_process.h"
+
+#include "rgw_zone.h"
+#include "rgw_sal.h"
+
+#include "services/svc_zone.h"
+
+#include <array>
+#include <string_view>
+#include <sstream>
+#include <memory>
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rgw
+
+using namespace std;
+
+int RGWListBuckets_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ prefix = s->info.args.get("prefix");
+ marker = s->info.args.get("marker");
+ end_marker = s->info.args.get("end_marker");
+ wants_reversed = s->info.args.exists("reverse");
+
+ if (wants_reversed) {
+ std::swap(marker, end_marker);
+ }
+
+ std::string limit_str = s->info.args.get("limit");
+ if (!limit_str.empty()) {
+ std::string err;
+ long l = strict_strtol(limit_str.c_str(), 10, &err);
+ if (!err.empty()) {
+ return -EINVAL;
+ }
+
+ if (l > (long)limit_max || l < 0) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+
+ limit = (uint64_t)l;
+ }
+
+ if (s->cct->_conf->rgw_swift_need_stats) {
+ bool stats, exists;
+ int r = s->info.args.get_bool("stats", &stats, &exists);
+
+ if (r < 0) {
+ return r;
+ }
+
+ if (exists) {
+ need_stats = stats;
+ }
+ } else {
+ need_stats = false;
+ }
+
+ return 0;
+}
+
+static void dump_account_metadata(req_state * const s,
+ const RGWUsageStats& global_stats,
+ const std::map<std::string, RGWUsageStats> &policies_stats,
+ /* const */map<string, bufferlist>& attrs,
+ const RGWQuotaInfo& quota,
+ const RGWAccessControlPolicy_SWIFTAcct &policy)
+{
+ /* Adding X-Timestamp to keep align with Swift API */
+ dump_header(s, "X-Timestamp", ceph_clock_now());
+
+ dump_header(s, "X-Account-Container-Count", global_stats.buckets_count);
+ dump_header(s, "X-Account-Object-Count", global_stats.objects_count);
+ dump_header(s, "X-Account-Bytes-Used", global_stats.bytes_used);
+ dump_header(s, "X-Account-Bytes-Used-Actual", global_stats.bytes_used_rounded);
+
+ for (const auto& kv : policies_stats) {
+ const auto& policy_name = camelcase_dash_http_attr(kv.first);
+ const auto& policy_stats = kv.second;
+
+ dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
+ "-Container-Count", policy_stats.buckets_count);
+ dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
+ "-Object-Count", policy_stats.objects_count);
+ dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
+ "-Bytes-Used", policy_stats.bytes_used);
+ dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
+ "-Bytes-Used-Actual", policy_stats.bytes_used_rounded);
+ }
+
+ /* Dump TempURL-related stuff */
+ if (s->perm_mask == RGW_PERM_FULL_CONTROL) {
+ auto iter = s->user->get_info().temp_url_keys.find(0);
+ if (iter != std::end(s->user->get_info().temp_url_keys) && ! iter->second.empty()) {
+ dump_header(s, "X-Account-Meta-Temp-Url-Key", iter->second);
+ }
+
+ iter = s->user->get_info().temp_url_keys.find(1);
+ if (iter != std::end(s->user->get_info().temp_url_keys) && ! iter->second.empty()) {
+ dump_header(s, "X-Account-Meta-Temp-Url-Key-2", iter->second);
+ }
+ }
+
+ /* Dump quota headers. */
+ if (quota.enabled) {
+ if (quota.max_size >= 0) {
+ dump_header(s, "X-Account-Meta-Quota-Bytes", quota.max_size);
+ }
+
+ /* Limit on the number of objects in a given account is a RadosGW's
+ * extension. Swift's account quota WSGI filter doesn't support it. */
+ if (quota.max_objects >= 0) {
+ dump_header(s, "X-Account-Meta-Quota-Count", quota.max_objects);
+ }
+ }
+
+ /* Dump user-defined metadata items and generic attrs. */
+ const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1;
+ map<string, bufferlist>::iterator iter;
+ for (iter = attrs.lower_bound(RGW_ATTR_PREFIX); iter != attrs.end(); ++iter) {
+ const char *name = iter->first.c_str();
+ map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name);
+
+ if (geniter != rgw_to_http_attrs.end()) {
+ dump_header(s, geniter->second, iter->second);
+ } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) {
+ dump_header_prefixed(s, "X-Account-Meta-",
+ camelcase_dash_http_attr(name + PREFIX_LEN),
+ iter->second);
+ }
+ }
+
+ /* Dump account ACLs */
+ auto account_acls = policy.to_str();
+ if (account_acls) {
+ dump_header(s, "X-Account-Access-Control", std::move(*account_acls));
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::send_response_begin(bool has_buckets)
+{
+ if (op_ret) {
+ set_req_state_err(s, op_ret);
+ } else if (!has_buckets && s->format == RGWFormat::PLAIN) {
+ op_ret = STATUS_NO_CONTENT;
+ set_req_state_err(s, op_ret);
+ }
+
+ if (! s->cct->_conf->rgw_swift_enforce_content_length) {
+ /* Adding account stats in the header to keep align with Swift API */
+ dump_account_metadata(s,
+ global_stats,
+ policies_stats,
+ s->user->get_attrs(),
+ s->user->get_info().quota.user_quota,
+ static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
+ dump_errno(s);
+ dump_header(s, "Accept-Ranges", "bytes");
+ end_header(s, NULL, NULL, NO_CONTENT_LENGTH, true);
+ }
+
+ if (! op_ret) {
+ dump_start(s);
+ s->formatter->open_array_section_with_attrs("account",
+ FormatterAttrs("name", s->user->get_display_name().c_str(), NULL));
+
+ sent_data = true;
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::handle_listing_chunk(rgw::sal::BucketList&& buckets)
+{
+ if (wants_reversed) {
+ /* Just store in the reversal buffer. Its content will be handled later,
+ * in send_response_end(). */
+ reverse_buffer.emplace(std::begin(reverse_buffer), std::move(buckets));
+ } else {
+ return send_response_data(buckets);
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::send_response_data(rgw::sal::BucketList& buckets)
+{
+ if (! sent_data) {
+ return;
+ }
+
+ /* Take care of the prefix parameter of Swift API. There is no business
+ * in applying the filter earlier as we really need to go through all
+ * entries regardless of it (the headers like X-Account-Container-Count
+ * aren't affected by specifying prefix). */
+ const auto& m = buckets.get_buckets();
+ for (auto iter = m.lower_bound(prefix);
+ iter != m.end() && boost::algorithm::starts_with(iter->first, prefix);
+ ++iter) {
+ dump_bucket_entry(*iter->second);
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::dump_bucket_entry(const rgw::sal::Bucket& bucket)
+{
+ s->formatter->open_object_section("container");
+ s->formatter->dump_string("name", bucket.get_name());
+
+ if (need_stats) {
+ s->formatter->dump_int("count", bucket.get_count());
+ s->formatter->dump_int("bytes", bucket.get_size());
+ }
+
+ s->formatter->close_section();
+
+ if (! s->cct->_conf->rgw_swift_enforce_content_length) {
+ rgw_flush_formatter(s, s->formatter);
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::send_response_data_reversed(rgw::sal::BucketList& buckets)
+{
+ if (! sent_data) {
+ return;
+ }
+
+ /* Take care of the prefix parameter of Swift API. There is no business
+ * in applying the filter earlier as we really need to go through all
+ * entries regardless of it (the headers like X-Account-Container-Count
+ * aren't affected by specifying prefix). */
+ auto& m = buckets.get_buckets();
+
+ auto iter = m.rbegin();
+ for (/* initialized above */;
+ iter != m.rend() && !boost::algorithm::starts_with(iter->first, prefix);
+ ++iter) {
+ /* NOP */;
+ }
+
+ for (/* iter carried */;
+ iter != m.rend() && boost::algorithm::starts_with(iter->first, prefix);
+ ++iter) {
+ dump_bucket_entry(*iter->second);
+ }
+}
+
+void RGWListBuckets_ObjStore_SWIFT::send_response_end()
+{
+ if (wants_reversed) {
+ for (auto& buckets : reverse_buffer) {
+ send_response_data_reversed(buckets);
+ }
+ }
+
+ if (sent_data) {
+ s->formatter->close_section();
+ }
+
+ if (s->cct->_conf->rgw_swift_enforce_content_length) {
+ /* Adding account stats in the header to keep align with Swift API */
+ dump_account_metadata(s,
+ global_stats,
+ policies_stats,
+ s->user->get_attrs(),
+ s->user->get_info().quota.user_quota,
+ static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
+ dump_errno(s);
+ end_header(s, nullptr, nullptr, s->formatter->get_len(), true);
+ }
+
+ if (sent_data || s->cct->_conf->rgw_swift_enforce_content_length) {
+ rgw_flush_formatter_and_reset(s, s->formatter);
+ }
+}
+
+int RGWListBucket_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ prefix = s->info.args.get("prefix");
+ marker = s->info.args.get("marker");
+ end_marker = s->info.args.get("end_marker");
+ max_keys = s->info.args.get("limit");
+
+ // non-standard
+ s->info.args.get_bool("allow_unordered", &allow_unordered, false);
+
+ delimiter = s->info.args.get("delimiter");
+
+ op_ret = parse_max_keys();
+ if (op_ret < 0) {
+ return op_ret;
+ }
+ // S3 behavior is to silently cap the max-keys.
+ // Swift behavior is to abort.
+ if (max > default_max)
+ return -ERR_PRECONDITION_FAILED;
+
+ string path_args;
+ if (s->info.args.exists("path")) { // should handle empty path
+ path_args = s->info.args.get("path");
+ if (!delimiter.empty() || !prefix.empty()) {
+ return -EINVAL;
+ }
+ prefix = path_args;
+ delimiter="/";
+
+ path = prefix;
+ if (path.size() && path[path.size() - 1] != '/')
+ path.append("/");
+
+ int len = prefix.size();
+ int delim_size = delimiter.size();
+
+ if (len >= delim_size) {
+ if (prefix.substr(len - delim_size).compare(delimiter) != 0)
+ prefix.append(delimiter);
+ }
+ }
+
+ return 0;
+}
+
+static void dump_container_metadata(req_state *,
+ const rgw::sal::Bucket*,
+ const RGWQuotaInfo&,
+ const RGWBucketWebsiteConf&);
+
+void RGWListBucket_ObjStore_SWIFT::send_response()
+{
+ vector<rgw_bucket_dir_entry>::iterator iter = objs.begin();
+ map<string, bool>::iterator pref_iter = common_prefixes.begin();
+
+ dump_start(s);
+ dump_container_metadata(s, s->bucket.get(), quota.bucket_quota,
+ s->bucket->get_info().website_conf);
+
+ s->formatter->open_array_section_with_attrs("container",
+ FormatterAttrs("name",
+ s->bucket->get_name().c_str(),
+ NULL));
+
+ while (iter != objs.end() || pref_iter != common_prefixes.end()) {
+ bool do_pref = false;
+ bool do_objs = false;
+ rgw_obj_key key;
+ if (iter != objs.end()) {
+ key = iter->key;
+ }
+ if (pref_iter == common_prefixes.end())
+ do_objs = true;
+ else if (iter == objs.end())
+ do_pref = true;
+ else if (!key.empty() && key.name.compare(pref_iter->first) == 0) {
+ do_objs = true;
+ ++pref_iter;
+ } else if (!key.empty() && key.name.compare(pref_iter->first) <= 0)
+ do_objs = true;
+ else
+ do_pref = true;
+
+ if (do_objs && (allow_unordered || marker.empty() || marker < key)) {
+ if (key.name.compare(path) == 0)
+ goto next;
+
+ s->formatter->open_object_section("object");
+ s->formatter->dump_string("name", key.name);
+ s->formatter->dump_string("hash", iter->meta.etag);
+ s->formatter->dump_int("bytes", iter->meta.accounted_size);
+ if (!iter->meta.user_data.empty())
+ s->formatter->dump_string("user_custom_data", iter->meta.user_data);
+ string single_content_type = iter->meta.content_type;
+ if (iter->meta.content_type.size()) {
+ // content type might hold multiple values, just dump the last one
+ ssize_t pos = iter->meta.content_type.rfind(',');
+ if (pos > 0) {
+ ++pos;
+ while (single_content_type[pos] == ' ')
+ ++pos;
+ single_content_type = single_content_type.substr(pos);
+ }
+ s->formatter->dump_string("content_type", single_content_type);
+ }
+ dump_time(s, "last_modified", iter->meta.mtime);
+ s->formatter->close_section();
+ }
+
+ if (do_pref && (marker.empty() || pref_iter->first.compare(marker.name) > 0)) {
+ const string& name = pref_iter->first;
+ if (name.compare(delimiter) == 0)
+ goto next;
+
+ s->formatter->open_object_section_with_attrs("subdir", FormatterAttrs("name", name.c_str(), NULL));
+
+ /* swift is a bit inconsistent here */
+ switch (s->format) {
+ case RGWFormat::XML:
+ s->formatter->dump_string("name", name);
+ break;
+ default:
+ s->formatter->dump_string("subdir", name);
+ }
+ s->formatter->close_section();
+ }
+next:
+ if (do_objs)
+ ++iter;
+ else
+ ++pref_iter;
+ }
+
+ s->formatter->close_section();
+
+ int64_t content_len = 0;
+ if (! op_ret) {
+ content_len = s->formatter->get_len();
+ if (content_len == 0) {
+ op_ret = STATUS_NO_CONTENT;
+ }
+ } else if (op_ret > 0) {
+ op_ret = 0;
+ }
+
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this, NULL, content_len);
+ if (op_ret < 0) {
+ return;
+ }
+
+ rgw_flush_formatter_and_reset(s, s->formatter);
+} // RGWListBucket_ObjStore_SWIFT::send_response
+
+static void dump_container_metadata(req_state *s,
+ const rgw::sal::Bucket* bucket,
+ const RGWQuotaInfo& quota,
+ const RGWBucketWebsiteConf& ws_conf)
+{
+ /* Adding X-Timestamp to keep align with Swift API */
+ dump_header(s, "X-Timestamp", utime_t(s->bucket->get_info().creation_time));
+
+ dump_header(s, "X-Container-Object-Count", bucket->get_count());
+ dump_header(s, "X-Container-Bytes-Used", bucket->get_size());
+ dump_header(s, "X-Container-Bytes-Used-Actual", bucket->get_size_rounded());
+
+ if (rgw::sal::Object::empty(s->object.get())) {
+ auto swift_policy = \
+ static_cast<RGWAccessControlPolicy_SWIFT*>(s->bucket_acl.get());
+ std::string read_acl, write_acl;
+ swift_policy->to_str(read_acl, write_acl);
+
+ if (read_acl.size()) {
+ dump_header(s, "X-Container-Read", read_acl);
+ }
+ if (write_acl.size()) {
+ dump_header(s, "X-Container-Write", write_acl);
+ }
+ if (!s->bucket->get_placement_rule().name.empty()) {
+ dump_header(s, "X-Storage-Policy", s->bucket->get_placement_rule().name);
+ }
+ dump_header(s, "X-Storage-Class", s->bucket->get_placement_rule().get_storage_class());
+
+ /* Dump user-defined metadata items and generic attrs. */
+ const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1;
+ map<string, bufferlist>::iterator iter;
+ for (iter = s->bucket_attrs.lower_bound(RGW_ATTR_PREFIX);
+ iter != s->bucket_attrs.end();
+ ++iter) {
+ const char *name = iter->first.c_str();
+ map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name);
+
+ if (geniter != rgw_to_http_attrs.end()) {
+ dump_header(s, geniter->second, iter->second);
+ } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) {
+ dump_header_prefixed(s, "X-Container-Meta-",
+ camelcase_dash_http_attr(name + PREFIX_LEN),
+ iter->second);
+ }
+ }
+ }
+
+ /* Dump container versioning info. */
+ if (! s->bucket->get_info().swift_ver_location.empty()) {
+ dump_header(s, "X-Versions-Location",
+ url_encode(s->bucket->get_info().swift_ver_location));
+ }
+
+ /* Dump quota headers. */
+ if (quota.enabled) {
+ if (quota.max_size >= 0) {
+ dump_header(s, "X-Container-Meta-Quota-Bytes", quota.max_size);
+ }
+
+ if (quota.max_objects >= 0) {
+ dump_header(s, "X-Container-Meta-Quota-Count", quota.max_objects);
+ }
+ }
+
+ /* Dump Static Website headers. */
+ if (! ws_conf.index_doc_suffix.empty()) {
+ dump_header(s, "X-Container-Meta-Web-Index", ws_conf.index_doc_suffix);
+ }
+
+ if (! ws_conf.error_doc.empty()) {
+ dump_header(s, "X-Container-Meta-Web-Error", ws_conf.error_doc);
+ }
+
+ if (! ws_conf.subdir_marker.empty()) {
+ dump_header(s, "X-Container-Meta-Web-Directory-Type",
+ ws_conf.subdir_marker);
+ }
+
+ if (! ws_conf.listing_css_doc.empty()) {
+ dump_header(s, "X-Container-Meta-Web-Listings-CSS",
+ ws_conf.listing_css_doc);
+ }
+
+ if (ws_conf.listing_enabled) {
+ dump_header(s, "X-Container-Meta-Web-Listings", "true");
+ }
+
+ /* Dump bucket's modification time. Compliance with the Swift API really
+ * needs that. */
+ dump_last_modified(s, s->bucket_mtime);
+}
+
+void RGWStatAccount_ObjStore_SWIFT::execute(optional_yield y)
+{
+ RGWStatAccount_ObjStore::execute(y);
+ op_ret = s->user->read_attrs(s, s->yield);
+ attrs = s->user->get_attrs();
+}
+
+void RGWStatAccount_ObjStore_SWIFT::send_response()
+{
+ if (op_ret >= 0) {
+ op_ret = STATUS_NO_CONTENT;
+ dump_account_metadata(s,
+ global_stats,
+ policies_stats,
+ attrs,
+ s->user->get_info().quota.user_quota,
+ static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
+ }
+
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+
+ end_header(s, NULL, NULL, 0, true);
+
+ dump_start(s);
+}
+
+void RGWStatBucket_ObjStore_SWIFT::send_response()
+{
+ if (op_ret >= 0) {
+ op_ret = STATUS_NO_CONTENT;
+ dump_container_metadata(s, bucket.get(), quota.bucket_quota,
+ s->bucket->get_info().website_conf);
+ }
+
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+
+ end_header(s, this, NULL, 0, true);
+ dump_start(s);
+}
+
+static int get_swift_container_settings(req_state * const s,
+ rgw::sal::Driver* const driver,
+ RGWAccessControlPolicy * const policy,
+ bool * const has_policy,
+ uint32_t * rw_mask,
+ RGWCORSConfiguration * const cors_config,
+ bool * const has_cors)
+{
+ const char * const read_list = s->info.env->get("HTTP_X_CONTAINER_READ");
+ const char * const write_list = s->info.env->get("HTTP_X_CONTAINER_WRITE");
+
+ *has_policy = false;
+
+ if (read_list || write_list) {
+ RGWAccessControlPolicy_SWIFT swift_policy(s->cct);
+ const auto r = swift_policy.create(s, driver,
+ s->user->get_id(),
+ s->user->get_display_name(),
+ read_list,
+ write_list,
+ *rw_mask);
+ if (r < 0) {
+ return r;
+ }
+
+ *policy = swift_policy;
+ *has_policy = true;
+ }
+
+ *has_cors = false;
+
+ /*Check and update CORS configuration*/
+ const char *allow_origins = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_ORIGIN");
+ const char *allow_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_HEADERS");
+ const char *expose_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_EXPOSE_HEADERS");
+ const char *max_age = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_MAX_AGE");
+ if (allow_origins) {
+ RGWCORSConfiguration_SWIFT *swift_cors = new RGWCORSConfiguration_SWIFT;
+ int r = swift_cors->create_update(allow_origins, allow_headers, expose_headers, max_age);
+ if (r < 0) {
+ ldpp_dout(s, 0) << "Error creating/updating the cors configuration" << dendl;
+ delete swift_cors;
+ return r;
+ }
+ *has_cors = true;
+ *cors_config = *swift_cors;
+ cors_config->dump();
+ delete swift_cors;
+ }
+
+ return 0;
+}
+
+#define ACCT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_ACCOUNT_META_"
+#define ACCT_PUT_ATTR_PREFIX "HTTP_X_ACCOUNT_META_"
+#define CONT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_CONTAINER_META_"
+#define CONT_PUT_ATTR_PREFIX "HTTP_X_CONTAINER_META_"
+
+static void get_rmattrs_from_headers(const req_state * const s,
+ const char * const put_prefix,
+ const char * const del_prefix,
+ set<string>& rmattr_names)
+{
+ const size_t put_prefix_len = strlen(put_prefix);
+ const size_t del_prefix_len = strlen(del_prefix);
+
+ for (const auto& kv : s->info.env->get_map()) {
+ size_t prefix_len = 0;
+ const char * const p = kv.first.c_str();
+
+ if (strncasecmp(p, del_prefix, del_prefix_len) == 0) {
+ /* Explicitly requested removal. */
+ prefix_len = del_prefix_len;
+ } else if ((strncasecmp(p, put_prefix, put_prefix_len) == 0)
+ && kv.second.empty()) {
+ /* Removal requested by putting an empty value. */
+ prefix_len = put_prefix_len;
+ }
+
+ if (prefix_len > 0) {
+ string name(RGW_ATTR_META_PREFIX);
+ name.append(lowercase_dash_http_attr(p + prefix_len));
+ rmattr_names.insert(name);
+ }
+ }
+}
+
+static int get_swift_versioning_settings(
+ req_state * const s,
+ boost::optional<std::string>& swift_ver_location)
+{
+ /* Removing the Swift's versions location has lower priority than setting
+ * a new one. That's the reason why we're handling it first. */
+ const std::string vlocdel =
+ s->info.env->get("HTTP_X_REMOVE_VERSIONS_LOCATION", "");
+ if (vlocdel.size()) {
+ swift_ver_location = boost::in_place(std::string());
+ }
+
+ if (s->info.env->exists("HTTP_X_VERSIONS_LOCATION")) {
+ /* If the Swift's versioning is globally disabled but someone wants to
+ * enable it for a given container, new version of Swift will generate
+ * the precondition failed error. */
+ if (! s->cct->_conf->rgw_swift_versioning_enabled) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+
+ swift_ver_location = s->info.env->get("HTTP_X_VERSIONS_LOCATION", "");
+ }
+
+ return 0;
+}
+
+int RGWCreateBucket_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ bool has_policy;
+ uint32_t policy_rw_mask = 0;
+
+ int r = get_swift_container_settings(s, driver, &policy, &has_policy,
+ &policy_rw_mask, &cors_config, &has_cors);
+ if (r < 0) {
+ return r;
+ }
+
+ if (!has_policy) {
+ policy.create_default(s->user->get_id(), s->user->get_display_name());
+ }
+
+ location_constraint = driver->get_zone()->get_zonegroup().get_api_name();
+ get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX,
+ CONT_REMOVE_ATTR_PREFIX, rmattr_names);
+ placement_rule.init(s->info.env->get("HTTP_X_STORAGE_POLICY", ""), s->info.storage_class);
+
+ return get_swift_versioning_settings(s, swift_ver_location);
+}
+
+static inline int handle_metadata_errors(req_state* const s, const int op_ret)
+{
+ if (op_ret == -EFBIG) {
+ /* Handle the custom error message of exceeding maximum custom attribute
+ * (stored as xattr) size. */
+ const auto error_message = boost::str(
+ boost::format("Metadata value longer than %lld")
+ % s->cct->_conf.get_val<Option::size_t>("rgw_max_attr_size"));
+ set_req_state_err(s, EINVAL, error_message);
+ return -EINVAL;
+ } else if (op_ret == -E2BIG) {
+ const auto error_message = boost::str(
+ boost::format("Too many metadata items; max %lld")
+ % s->cct->_conf.get_val<uint64_t>("rgw_max_attrs_num_in_req"));
+ set_req_state_err(s, EINVAL, error_message);
+ return -EINVAL;
+ }
+
+ return op_ret;
+}
+
+void RGWCreateBucket_ObjStore_SWIFT::send_response()
+{
+ const auto meta_ret = handle_metadata_errors(s, op_ret);
+ if (meta_ret != op_ret) {
+ op_ret = meta_ret;
+ } else {
+ if (!op_ret) {
+ op_ret = STATUS_CREATED;
+ } else if (op_ret == -ERR_BUCKET_EXISTS) {
+ op_ret = STATUS_ACCEPTED;
+ }
+ set_req_state_err(s, op_ret);
+ }
+
+ dump_errno(s);
+ /* Propose ending HTTP header with 0 Content-Length header. */
+ end_header(s, NULL, NULL, 0);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+void RGWDeleteBucket_ObjStore_SWIFT::send_response()
+{
+ int r = op_ret;
+ if (!r)
+ r = STATUS_NO_CONTENT;
+
+ set_req_state_err(s, r);
+ dump_errno(s);
+ end_header(s, this, NULL, 0);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+static int get_delete_at_param(req_state *s, boost::optional<real_time> &delete_at)
+{
+ /* Handle Swift object expiration. */
+ real_time delat_proposal;
+ string x_delete = s->info.env->get("HTTP_X_DELETE_AFTER", "");
+
+ if (x_delete.empty()) {
+ x_delete = s->info.env->get("HTTP_X_DELETE_AT", "");
+ } else {
+ /* X-Delete-After HTTP is present. It means we need add its value
+ * to the current time. */
+ delat_proposal = real_clock::now();
+ }
+
+ if (x_delete.empty()) {
+ delete_at = boost::none;
+ if (s->info.env->exists("HTTP_X_REMOVE_DELETE_AT")) {
+ delete_at = boost::in_place(real_time());
+ }
+ return 0;
+ }
+ string err;
+ long ts = strict_strtoll(x_delete.c_str(), 10, &err);
+
+ if (!err.empty()) {
+ return -EINVAL;
+ }
+
+ delat_proposal += make_timespan(ts);
+ if (delat_proposal < real_clock::now()) {
+ return -EINVAL;
+ }
+
+ delete_at = delat_proposal;
+
+ return 0;
+}
+
+int RGWPutObj_ObjStore_SWIFT::verify_permission(optional_yield y)
+{
+ op_ret = RGWPutObj_ObjStore::verify_permission(y);
+
+ /* We have to differentiate error codes depending on whether user is
+ * anonymous (401 Unauthorized) or he doesn't have necessary permissions
+ * (403 Forbidden). */
+ if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
+ return -EPERM;
+ } else {
+ return op_ret;
+ }
+}
+
+int RGWPutObj_ObjStore_SWIFT::update_slo_segment_size(rgw_slo_entry& entry) {
+
+ int r = 0;
+ const string& path = entry.path;
+
+ /* If the path starts with slashes, strip them all. */
+ const size_t pos_init = path.find_first_not_of('/');
+
+ if (pos_init == string::npos) {
+ return -EINVAL;
+ }
+
+ const size_t pos_sep = path.find('/', pos_init);
+ if (pos_sep == string::npos) {
+ return -EINVAL;
+ }
+
+ string bucket_name = path.substr(pos_init, pos_sep - pos_init);
+ string obj_name = path.substr(pos_sep + 1);
+
+ std::unique_ptr<rgw::sal::Bucket> bucket;
+
+ if (bucket_name.compare(s->bucket->get_name()) != 0) {
+ r = driver->get_bucket(s, s->user.get(), s->user->get_id().tenant, bucket_name, &bucket, s->yield);
+ if (r < 0) {
+ ldpp_dout(this, 0) << "could not get bucket info for bucket="
+ << bucket_name << dendl;
+ return r;
+ }
+ } else {
+ bucket = s->bucket->clone();
+ }
+
+ /* fetch the stored size of the seg (or error if not valid) */
+ std::unique_ptr<rgw::sal::Object> slo_seg = bucket->get_object(rgw_obj_key(obj_name));
+
+ /* no prefetch */
+ slo_seg->set_atomic();
+
+ bool compressed;
+ RGWCompressionInfo cs_info;
+ uint64_t size_bytes{0};
+
+ r = slo_seg->get_obj_attrs(s->yield, s);
+ if (r < 0) {
+ return r;
+ }
+
+ size_bytes = slo_seg->get_obj_size();
+
+ r = rgw_compression_info_from_attrset(slo_seg->get_attrs(), compressed, cs_info);
+ if (r < 0) {
+ return -EIO;
+ }
+
+ if (compressed) {
+ size_bytes = cs_info.orig_size;
+ }
+
+ /* "When the PUT operation sees the multipart-manifest=put query
+ * parameter, it reads the request body and verifies that each
+ * segment object exists and that the sizes and ETags match. If
+ * there is a mismatch, the PUT operation fails."
+ */
+ if (entry.size_bytes &&
+ (entry.size_bytes != size_bytes)) {
+ return -EINVAL;
+ }
+
+ entry.size_bytes = size_bytes;
+
+ return 0;
+} /* RGWPutObj_ObjStore_SWIFT::update_slo_segment_sizes */
+
+int RGWPutObj_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ if (s->has_bad_meta) {
+ return -EINVAL;
+ }
+
+ if (!s->length) {
+ const char *encoding = s->info.env->get("HTTP_TRANSFER_ENCODING");
+ if (!encoding || strcmp(encoding, "chunked") != 0) {
+ ldpp_dout(this, 20) << "neither length nor chunked encoding" << dendl;
+ return -ERR_LENGTH_REQUIRED;
+ }
+
+ chunked_upload = true;
+ }
+
+ supplied_etag = s->info.env->get("HTTP_ETAG");
+
+ if (!s->generic_attrs.count(RGW_ATTR_CONTENT_TYPE)) {
+ ldpp_dout(this, 5) << "content type wasn't provided, trying to guess" << dendl;
+ const char *suffix = strrchr(s->object->get_name().c_str(), '.');
+ if (suffix) {
+ suffix++;
+ if (*suffix) {
+ string suffix_str(suffix);
+ const char *mime = rgw_find_mime_by_ext(suffix_str);
+ if (mime) {
+ s->generic_attrs[RGW_ATTR_CONTENT_TYPE] = mime;
+ }
+ }
+ }
+ }
+
+ policy.create_default(s->user->get_id(), s->user->get_display_name());
+
+ int r = get_delete_at_param(s, delete_at);
+ if (r < 0) {
+ ldpp_dout(this, 5) << "ERROR: failed to get Delete-At param" << dendl;
+ return r;
+ }
+
+ if (!s->cct->_conf->rgw_swift_custom_header.empty()) {
+ string custom_header = s->cct->_conf->rgw_swift_custom_header;
+ auto data = s->info.env->get_optional(custom_header);
+ if (data) {
+ user_data = *data;
+ }
+ }
+
+ dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST");
+ bool exists;
+ string multipart_manifest = s->info.args.get("multipart-manifest", &exists);
+ if (exists) {
+ if (multipart_manifest != "put") {
+ ldpp_dout(this, 5) << "invalid multipart-manifest http param: " << multipart_manifest << dendl;
+ return -EINVAL;
+ }
+
+#define MAX_SLO_ENTRY_SIZE (1024 + 128) // 1024 - max obj name, 128 - enough extra for other info
+ uint64_t max_len = s->cct->_conf->rgw_max_slo_entries * MAX_SLO_ENTRY_SIZE;
+
+ slo_info = new RGWSLOInfo;
+
+ int r = 0;
+ std::tie(r, slo_info->raw_data) = rgw_rest_get_json_input_keep_data(s->cct, s, slo_info->entries, max_len);
+ if (r < 0) {
+ ldpp_dout(this, 5) << "failed to read input for slo r=" << r << dendl;
+ return r;
+ }
+
+ if ((int64_t)slo_info->entries.size() > s->cct->_conf->rgw_max_slo_entries) {
+ ldpp_dout(this, 5) << "too many entries in slo request: " << slo_info->entries.size() << dendl;
+ return -EINVAL;
+ }
+
+ MD5 etag_sum;
+ // Allow use of MD5 digest in FIPS mode for non-cryptographic purposes
+ etag_sum.SetFlags(EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ uint64_t total_size = 0;
+ for (auto& entry : slo_info->entries) {
+ etag_sum.Update((const unsigned char *)entry.etag.c_str(),
+ entry.etag.length());
+
+ /* if size_bytes == 0, it should be replaced with the
+ * real segment size (which could be 0); this follows from the
+ * fact that Swift requires all segments to exist, but permits
+ * the size_bytes element to be omitted from the SLO manifest, see
+ * https://docs.openstack.org/swift/latest/api/large_objects.html
+ */
+ r = update_slo_segment_size(entry);
+ if (r < 0) {
+ return r;
+ }
+
+ total_size += entry.size_bytes;
+
+ ldpp_dout(this, 20) << "slo_part: " << entry.path
+ << " size=" << entry.size_bytes
+ << " etag=" << entry.etag
+ << dendl;
+ }
+ complete_etag(etag_sum, &lo_etag);
+ slo_info->total_size = total_size;
+
+ ofs = slo_info->raw_data.length();
+ }
+
+ return RGWPutObj_ObjStore::get_params(y);
+}
+
+void RGWPutObj_ObjStore_SWIFT::send_response()
+{
+ const auto meta_ret = handle_metadata_errors(s, op_ret);
+ if (meta_ret) {
+ op_ret = meta_ret;
+ } else {
+ if (!op_ret) {
+ op_ret = STATUS_CREATED;
+ }
+ set_req_state_err(s, op_ret);
+ }
+
+ if (! lo_etag.empty()) {
+ /* Static Large Object of Swift API has two etags represented by
+ * following members:
+ * - etag - for the manifest itself (it will be stored in xattrs),
+ * - lo_etag - for the content composited from SLO's segments.
+ * The value is calculated basing on segments' etags.
+ * In response for PUT request we have to expose the second one.
+ * The first one may be obtained by GET with "multipart-manifest=get"
+ * in query string on a given SLO. */
+ dump_etag(s, lo_etag, true /* quoted */);
+ } else {
+ dump_etag(s, etag);
+ }
+
+ dump_last_modified(s, mtime);
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+static int get_swift_account_settings(req_state * const s,
+ rgw::sal::Driver* const driver,
+ RGWAccessControlPolicy_SWIFTAcct* const policy,
+ bool * const has_policy)
+{
+ *has_policy = false;
+
+ const char * const acl_attr = s->info.env->get("HTTP_X_ACCOUNT_ACCESS_CONTROL");
+ if (acl_attr) {
+ RGWAccessControlPolicy_SWIFTAcct swift_acct_policy(s->cct);
+ const bool r = swift_acct_policy.create(s, driver,
+ s->user->get_id(),
+ s->user->get_display_name(),
+ string(acl_attr));
+ if (r != true) {
+ return -EINVAL;
+ }
+
+ *policy = swift_acct_policy;
+ *has_policy = true;
+ }
+
+ return 0;
+}
+
+int RGWPutMetadataAccount_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ if (s->has_bad_meta) {
+ return -EINVAL;
+ }
+
+ int ret = get_swift_account_settings(s,
+ driver,
+ // FIXME: we need to carry unique_ptr in generic class
+ // and allocate appropriate ACL class in the ctor
+ static_cast<RGWAccessControlPolicy_SWIFTAcct *>(&policy),
+ &has_policy);
+ if (ret < 0) {
+ return ret;
+ }
+
+ get_rmattrs_from_headers(s, ACCT_PUT_ATTR_PREFIX, ACCT_REMOVE_ATTR_PREFIX,
+ rmattr_names);
+ return 0;
+}
+
+void RGWPutMetadataAccount_ObjStore_SWIFT::send_response()
+{
+ const auto meta_ret = handle_metadata_errors(s, op_ret);
+ if (meta_ret != op_ret) {
+ op_ret = meta_ret;
+ } else {
+ if (!op_ret) {
+ op_ret = STATUS_NO_CONTENT;
+ }
+ set_req_state_err(s, op_ret);
+ }
+
+ dump_errno(s);
+ end_header(s, this);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+int RGWPutMetadataBucket_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ if (s->has_bad_meta) {
+ return -EINVAL;
+ }
+
+ int r = get_swift_container_settings(s, driver, &policy, &has_policy,
+ &policy_rw_mask, &cors_config, &has_cors);
+ if (r < 0) {
+ return r;
+ }
+
+ get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX, CONT_REMOVE_ATTR_PREFIX,
+ rmattr_names);
+ placement_rule.init(s->info.env->get("HTTP_X_STORAGE_POLICY", ""), s->info.storage_class);
+
+ return get_swift_versioning_settings(s, swift_ver_location);
+}
+
+void RGWPutMetadataBucket_ObjStore_SWIFT::send_response()
+{
+ const auto meta_ret = handle_metadata_errors(s, op_ret);
+ if (meta_ret != op_ret) {
+ op_ret = meta_ret;
+ } else {
+ if (!op_ret && (op_ret != -EINVAL)) {
+ op_ret = STATUS_NO_CONTENT;
+ }
+ set_req_state_err(s, op_ret);
+ }
+
+ dump_errno(s);
+ end_header(s, this);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+int RGWPutMetadataObject_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ if (s->has_bad_meta) {
+ return -EINVAL;
+ }
+
+ /* Handle Swift object expiration. */
+ int r = get_delete_at_param(s, delete_at);
+ if (r < 0) {
+ ldpp_dout(this, 5) << "ERROR: failed to get Delete-At param" << dendl;
+ return r;
+ }
+
+ dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST");
+
+ return 0;
+}
+
+void RGWPutMetadataObject_ObjStore_SWIFT::send_response()
+{
+ const auto meta_ret = handle_metadata_errors(s, op_ret);
+ if (meta_ret != op_ret) {
+ op_ret = meta_ret;
+ } else {
+ if (!op_ret) {
+ op_ret = STATUS_ACCEPTED;
+ }
+ set_req_state_err(s, op_ret);
+ }
+
+ if (!s->is_err()) {
+ dump_content_length(s, 0);
+ }
+
+ dump_errno(s);
+ end_header(s, this);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+static void bulkdelete_respond(const unsigned num_deleted,
+ const unsigned int num_unfound,
+ const std::list<RGWBulkDelete::fail_desc_t>& failures,
+ const int prot_flags, /* in */
+ ceph::Formatter& formatter) /* out */
+{
+ formatter.open_object_section("delete");
+
+ string resp_status;
+ string resp_body;
+
+ if (!failures.empty()) {
+ int reason = ERR_INVALID_REQUEST;
+ for (const auto& fail_desc : failures) {
+ if (-ENOENT != fail_desc.err && -EACCES != fail_desc.err) {
+ reason = fail_desc.err;
+ }
+ }
+ rgw_err err;
+ set_req_state_err(err, reason, prot_flags);
+ dump_errno(err, resp_status);
+ } else if (0 == num_deleted && 0 == num_unfound) {
+ /* 400 Bad Request */
+ dump_errno(400, resp_status);
+ resp_body = "Invalid bulk delete.";
+ } else {
+ /* 200 OK */
+ dump_errno(200, resp_status);
+ }
+
+ encode_json("Number Deleted", num_deleted, &formatter);
+ encode_json("Number Not Found", num_unfound, &formatter);
+ encode_json("Response Body", resp_body, &formatter);
+ encode_json("Response Status", resp_status, &formatter);
+
+ formatter.open_array_section("Errors");
+ for (const auto& fail_desc : failures) {
+ formatter.open_array_section("object");
+
+ stringstream ss_name;
+ ss_name << fail_desc.path;
+ encode_json("Name", ss_name.str(), &formatter);
+
+ rgw_err err;
+ set_req_state_err(err, fail_desc.err, prot_flags);
+ string status;
+ dump_errno(err, status);
+ encode_json("Status", status, &formatter);
+ formatter.close_section();
+ }
+ formatter.close_section();
+
+ formatter.close_section();
+}
+
+int RGWDeleteObj_ObjStore_SWIFT::verify_permission(optional_yield y)
+{
+ op_ret = RGWDeleteObj_ObjStore::verify_permission(y);
+
+ /* We have to differentiate error codes depending on whether user is
+ * anonymous (401 Unauthorized) or he doesn't have necessary permissions
+ * (403 Forbidden). */
+ if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
+ return -EPERM;
+ } else {
+ return op_ret;
+ }
+}
+
+int RGWDeleteObj_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ const string& mm = s->info.args.get("multipart-manifest");
+ multipart_delete = (mm.compare("delete") == 0);
+
+ return RGWDeleteObj_ObjStore::get_params(y);
+}
+
+void RGWDeleteObj_ObjStore_SWIFT::send_response()
+{
+ int r = op_ret;
+
+ if (multipart_delete) {
+ r = 0;
+ } else if(!r) {
+ r = STATUS_NO_CONTENT;
+ }
+
+ set_req_state_err(s, r);
+ dump_errno(s);
+
+ if (multipart_delete) {
+ end_header(s, this /* RGWOp */, nullptr /* contype */,
+ CHUNKED_TRANSFER_ENCODING);
+
+ if (deleter) {
+ bulkdelete_respond(deleter->get_num_deleted(),
+ deleter->get_num_unfound(),
+ deleter->get_failures(),
+ s->prot_flags,
+ *s->formatter);
+ } else if (-ENOENT == op_ret) {
+ bulkdelete_respond(0, 1, {}, s->prot_flags, *s->formatter);
+ } else {
+ RGWBulkDelete::acct_path_t path;
+ path.bucket_name = s->bucket_name;
+ path.obj_key = s->object->get_key();
+
+ RGWBulkDelete::fail_desc_t fail_desc;
+ fail_desc.err = op_ret;
+ fail_desc.path = path;
+
+ bulkdelete_respond(0, 0, { fail_desc }, s->prot_flags, *s->formatter);
+ }
+ } else {
+ end_header(s, this);
+ }
+
+ rgw_flush_formatter_and_reset(s, s->formatter);
+
+}
+
+static void get_contype_from_attrs(map<string, bufferlist>& attrs,
+ string& content_type)
+{
+ map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_CONTENT_TYPE);
+ if (iter != attrs.end()) {
+ content_type = rgw_bl_str(iter->second);
+ }
+}
+
+static void dump_object_metadata(const DoutPrefixProvider* dpp, req_state * const s,
+ const map<string, bufferlist>& attrs)
+{
+ map<string, string> response_attrs;
+
+ for (auto kv : attrs) {
+ const char * name = kv.first.c_str();
+ const auto aiter = rgw_to_http_attrs.find(name);
+
+ if (aiter != std::end(rgw_to_http_attrs)) {
+ response_attrs[aiter->second] = rgw_bl_str(kv.second);
+ } else if (strcmp(name, RGW_ATTR_SLO_UINDICATOR) == 0) {
+ // this attr has an extra length prefix from encode() in prior versions
+ dump_header(s, "X-Object-Meta-Static-Large-Object", "True");
+ } else if (strncmp(name, RGW_ATTR_META_PREFIX,
+ sizeof(RGW_ATTR_META_PREFIX)-1) == 0) {
+ name += sizeof(RGW_ATTR_META_PREFIX) - 1;
+ dump_header_prefixed(s, "X-Object-Meta-",
+ camelcase_dash_http_attr(name), kv.second);
+ }
+ }
+
+ /* Handle override and fallback for Content-Disposition HTTP header.
+ * At the moment this will be used only by TempURL of the Swift API. */
+ const auto cditer = rgw_to_http_attrs.find(RGW_ATTR_CONTENT_DISP);
+ if (cditer != std::end(rgw_to_http_attrs)) {
+ const auto& name = cditer->second;
+
+ if (!s->content_disp.override.empty()) {
+ response_attrs[name] = s->content_disp.override;
+ } else if (!s->content_disp.fallback.empty()
+ && response_attrs.find(name) == std::end(response_attrs)) {
+ response_attrs[name] = s->content_disp.fallback;
+ }
+ }
+
+ for (const auto& kv : response_attrs) {
+ dump_header(s, kv.first, kv.second);
+ }
+
+ const auto iter = attrs.find(RGW_ATTR_DELETE_AT);
+ if (iter != std::end(attrs)) {
+ utime_t delete_at;
+ try {
+ decode(delete_at, iter->second);
+ if (!delete_at.is_zero()) {
+ dump_header(s, "X-Delete-At", delete_at.sec());
+ }
+ } catch (buffer::error& err) {
+ ldpp_dout(dpp, 0) << "ERROR: cannot decode object's " RGW_ATTR_DELETE_AT
+ " attr, ignoring"
+ << dendl;
+ }
+ }
+}
+
+int RGWCopyObj_ObjStore_SWIFT::init_dest_policy()
+{
+ dest_policy.create_default(s->user->get_id(), s->user->get_display_name());
+
+ return 0;
+}
+
+int RGWCopyObj_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ if_mod = s->info.env->get("HTTP_IF_MODIFIED_SINCE");
+ if_unmod = s->info.env->get("HTTP_IF_UNMODIFIED_SINCE");
+ if_match = s->info.env->get("HTTP_COPY_IF_MATCH");
+ if_nomatch = s->info.env->get("HTTP_COPY_IF_NONE_MATCH");
+
+ const char * const fresh_meta = s->info.env->get("HTTP_X_FRESH_METADATA");
+ if (fresh_meta && strcasecmp(fresh_meta, "TRUE") == 0) {
+ attrs_mod = rgw::sal::ATTRSMOD_REPLACE;
+ } else {
+ attrs_mod = rgw::sal::ATTRSMOD_MERGE;
+ }
+
+ int r = get_delete_at_param(s, delete_at);
+ if (r < 0) {
+ ldpp_dout(this, 5) << "ERROR: failed to get Delete-At param" << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+void RGWCopyObj_ObjStore_SWIFT::send_partial_response(off_t ofs)
+{
+ if (! sent_header) {
+ if (! op_ret)
+ op_ret = STATUS_CREATED;
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this);
+
+ /* Send progress information. Note that this diverge from the original swift
+ * spec. We do this in order to keep connection alive.
+ */
+ if (op_ret == 0) {
+ s->formatter->open_array_section("progress");
+ }
+ sent_header = true;
+ } else {
+ s->formatter->dump_int("ofs", (uint64_t)ofs);
+ }
+ rgw_flush_formatter(s, s->formatter);
+}
+
+void RGWCopyObj_ObjStore_SWIFT::dump_copy_info()
+{
+ /* Dump X-Copied-From. */
+ dump_header(s, "X-Copied-From", url_encode(src_bucket->get_name()) +
+ "/" + url_encode(s->src_object->get_name()));
+
+ /* Dump X-Copied-From-Account. */
+ /* XXX tenant */
+ dump_header(s, "X-Copied-From-Account", url_encode(s->user->get_id().id));
+
+ /* Dump X-Copied-From-Last-Modified. */
+ dump_time_header(s, "X-Copied-From-Last-Modified", src_mtime);
+}
+
+void RGWCopyObj_ObjStore_SWIFT::send_response()
+{
+ if (! sent_header) {
+ string content_type;
+ if (! op_ret)
+ op_ret = STATUS_CREATED;
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ dump_etag(s, etag);
+ dump_last_modified(s, mtime);
+ dump_copy_info();
+ get_contype_from_attrs(attrs, content_type);
+ dump_object_metadata(this, s, attrs);
+ end_header(s, this, !content_type.empty() ? content_type.c_str()
+ : "binary/octet-stream");
+ } else {
+ s->formatter->close_section();
+ rgw_flush_formatter(s, s->formatter);
+ }
+}
+
+int RGWGetObj_ObjStore_SWIFT::verify_permission(optional_yield y)
+{
+ op_ret = RGWGetObj_ObjStore::verify_permission(y);
+
+ /* We have to differentiate error codes depending on whether user is
+ * anonymous (401 Unauthorized) or he doesn't have necessary permissions
+ * (403 Forbidden). */
+ if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
+ return -EPERM;
+ } else {
+ return op_ret;
+ }
+}
+
+int RGWGetObj_ObjStore_SWIFT::get_params(optional_yield y)
+{
+ const string& mm = s->info.args.get("multipart-manifest");
+ skip_manifest = (mm.compare("get") == 0);
+
+ return RGWGetObj_ObjStore::get_params(y);
+}
+
+int RGWGetObj_ObjStore_SWIFT::send_response_data_error(optional_yield y)
+{
+ std::string error_content;
+ op_ret = error_handler(op_ret, &error_content, y);
+ if (! op_ret) {
+ /* The error handler has taken care of the error. */
+ return 0;
+ }
+
+ bufferlist error_bl;
+ error_bl.append(error_content);
+ return send_response_data(error_bl, 0, error_bl.length());
+}
+
+int RGWGetObj_ObjStore_SWIFT::send_response_data(bufferlist& bl,
+ const off_t bl_ofs,
+ const off_t bl_len)
+{
+ string content_type;
+
+ if (sent_header) {
+ goto send_data;
+ }
+
+ if (custom_http_ret) {
+ set_req_state_err(s, 0);
+ dump_errno(s, custom_http_ret);
+ } else {
+ set_req_state_err(s, (partial_content && !op_ret) ? STATUS_PARTIAL_CONTENT
+ : op_ret);
+ dump_errno(s);
+
+ if (s->is_err()) {
+ end_header(s, NULL);
+ return 0;
+ }
+ }
+
+ if (range_str) {
+ dump_range(s, ofs, end, s->obj_size);
+ }
+
+ if (s->is_err()) {
+ end_header(s, NULL);
+ return 0;
+ }
+
+ dump_content_length(s, total_len);
+ dump_last_modified(s, lastmod);
+ dump_header(s, "X-Timestamp", utime_t(lastmod));
+ if (is_slo) {
+ dump_header(s, "X-Static-Large-Object", "True");
+ }
+
+ if (! op_ret) {
+ if (! lo_etag.empty()) {
+ dump_etag(s, lo_etag, true /* quoted */);
+ } else {
+ auto iter = attrs.find(RGW_ATTR_ETAG);
+ if (iter != attrs.end()) {
+ dump_etag(s, iter->second.to_str());
+ }
+ }
+
+ get_contype_from_attrs(attrs, content_type);
+ dump_object_metadata(this, s, attrs);
+ }
+
+ end_header(s, this, !content_type.empty() ? content_type.c_str()
+ : "binary/octet-stream");
+
+ sent_header = true;
+
+send_data:
+ if (get_data && !op_ret) {
+ const auto r = dump_body(s, bl.c_str() + bl_ofs, bl_len);
+ if (r < 0) {
+ return r;
+ }
+ }
+ rgw_flush_formatter_and_reset(s, s->formatter);
+
+ return 0;
+}
+
+void RGWOptionsCORS_ObjStore_SWIFT::send_response()
+{
+ string hdrs, exp_hdrs;
+ uint32_t max_age = CORS_MAX_AGE_INVALID;
+ /*EACCES means, there is no CORS registered yet for the bucket
+ *ENOENT means, there is no match of the Origin in the list of CORSRule
+ */
+ if (op_ret == -ENOENT)
+ op_ret = -EACCES;
+ if (op_ret < 0) {
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, NULL);
+ return;
+ }
+ get_response_params(hdrs, exp_hdrs, &max_age);
+ dump_errno(s);
+ dump_access_control(s, origin, req_meth, hdrs.c_str(), exp_hdrs.c_str(),
+ max_age);
+ end_header(s, NULL);
+}
+
+int RGWBulkDelete_ObjStore_SWIFT::get_data(
+ list<RGWBulkDelete::acct_path_t>& items, bool * const is_truncated)
+{
+ constexpr size_t MAX_LINE_SIZE = 2048;
+
+ RGWClientIOStreamBuf ciosb(static_cast<RGWRestfulIO&>(*(s->cio)),
+ size_t(s->cct->_conf->rgw_max_chunk_size));
+ istream cioin(&ciosb);
+
+ char buf[MAX_LINE_SIZE];
+ while (cioin.getline(buf, sizeof(buf))) {
+ string path_str(buf);
+
+ ldpp_dout(this, 20) << "extracted Bulk Delete entry: " << path_str << dendl;
+
+ RGWBulkDelete::acct_path_t path;
+
+ /* We need to skip all slashes at the beginning in order to preserve
+ * compliance with Swift. */
+ const size_t start_pos = path_str.find_first_not_of('/');
+
+ if (string::npos != start_pos) {
+ /* Seperator is the first slash after the leading ones. */
+ const size_t sep_pos = path_str.find('/', start_pos);
+
+ if (string::npos != sep_pos) {
+ path.bucket_name = url_decode(path_str.substr(start_pos,
+ sep_pos - start_pos));
+ path.obj_key = url_decode(path_str.substr(sep_pos + 1));
+ } else {
+ /* It's guaranteed here that bucket name is at least one character
+ * long and is different than slash. */
+ path.bucket_name = url_decode(path_str.substr(start_pos));
+ }
+
+ items.push_back(path);
+ }
+
+ if (items.size() == MAX_CHUNK_ENTRIES) {
+ *is_truncated = true;
+ return 0;
+ }
+ }
+
+ *is_truncated = false;
+ return 0;
+}
+
+void RGWBulkDelete_ObjStore_SWIFT::send_response()
+{
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this /* RGWOp */, nullptr /* contype */,
+ CHUNKED_TRANSFER_ENCODING);
+
+ bulkdelete_respond(deleter->get_num_deleted(),
+ deleter->get_num_unfound(),
+ deleter->get_failures(),
+ s->prot_flags,
+ *s->formatter);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+
+std::unique_ptr<RGWBulkUploadOp::StreamGetter>
+RGWBulkUploadOp_ObjStore_SWIFT::create_stream()
+{
+ class SwiftStreamGetter : public StreamGetter {
+ const DoutPrefixProvider* dpp;
+ const size_t conlen;
+ size_t curpos;
+ req_state* const s;
+
+ public:
+ SwiftStreamGetter(const DoutPrefixProvider* dpp, req_state* const s, const size_t conlen)
+ : dpp(dpp),
+ conlen(conlen),
+ curpos(0),
+ s(s) {
+ }
+
+ ssize_t get_at_most(size_t want, ceph::bufferlist& dst) override {
+ /* maximum requested by a caller */
+ /* data provided by client */
+ /* RadosGW's limit. */
+ const size_t max_chunk_size = \
+ static_cast<size_t>(s->cct->_conf->rgw_max_chunk_size);
+ const size_t max_to_read = std::min({ want, conlen - curpos, max_chunk_size });
+
+ ldpp_dout(dpp, 20) << "bulk_upload: get_at_most max_to_read="
+ << max_to_read
+ << ", dst.c_str()=" << reinterpret_cast<intptr_t>(dst.c_str()) << dendl;
+
+ bufferptr bp(max_to_read);
+ const auto read_len = recv_body(s, bp.c_str(), max_to_read);
+ dst.append(bp, 0, read_len);
+ //const auto read_len = recv_body(s, dst.c_str(), max_to_read);
+ if (read_len < 0) {
+ return read_len;
+ }
+
+ curpos += read_len;
+ return curpos > s->cct->_conf->rgw_max_put_size ? -ERR_TOO_LARGE
+ : read_len;
+ }
+
+ ssize_t get_exactly(size_t want, ceph::bufferlist& dst) override {
+ ldpp_dout(dpp, 20) << "bulk_upload: get_exactly want=" << want << dendl;
+
+ /* FIXME: do this in a loop. */
+ const auto ret = get_at_most(want, dst);
+ ldpp_dout(dpp, 20) << "bulk_upload: get_exactly ret=" << ret << dendl;
+ if (ret < 0) {
+ return ret;
+ } else if (static_cast<size_t>(ret) != want) {
+ return -EINVAL;
+ } else {
+ return want;
+ }
+ }
+ };
+
+ if (! s->length) {
+ op_ret = -EINVAL;
+ return nullptr;
+ } else {
+ ldpp_dout(this, 20) << "bulk upload: create_stream for length="
+ << s->length << dendl;
+
+ const size_t conlen = atoll(s->length);
+ return std::unique_ptr<SwiftStreamGetter>(new SwiftStreamGetter(this, s, conlen));
+ }
+}
+
+void RGWBulkUploadOp_ObjStore_SWIFT::send_response()
+{
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this /* RGWOp */, nullptr /* contype */,
+ CHUNKED_TRANSFER_ENCODING);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+
+ s->formatter->open_object_section("delete");
+
+ std::string resp_status;
+ std::string resp_body;
+
+ if (! failures.empty()) {
+ rgw_err err;
+
+ const auto last_err = { failures.back().err };
+ if (boost::algorithm::contains(last_err, terminal_errors)) {
+ /* The terminal errors are affecting the status of the whole upload. */
+ set_req_state_err(err, failures.back().err, s->prot_flags);
+ } else {
+ set_req_state_err(err, ERR_INVALID_REQUEST, s->prot_flags);
+ }
+
+ dump_errno(err, resp_status);
+ } else if (0 == num_created && failures.empty()) {
+ /* Nothing created, nothing failed. This means the archive contained no
+ * entity we could understand (regular file or directory). We need to
+ * send 400 Bad Request to an HTTP client in the internal status field. */
+ dump_errno(400, resp_status);
+ resp_body = "Invalid Tar File: No Valid Files";
+ } else {
+ /* 200 OK */
+ dump_errno(201, resp_status);
+ }
+
+ encode_json("Number Files Created", num_created, s->formatter);
+ encode_json("Response Body", resp_body, s->formatter);
+ encode_json("Response Status", resp_status, s->formatter);
+
+ s->formatter->open_array_section("Errors");
+ for (const auto& fail_desc : failures) {
+ s->formatter->open_array_section("object");
+
+ encode_json("Name", fail_desc.path, s->formatter);
+
+ rgw_err err;
+ set_req_state_err(err, fail_desc.err, s->prot_flags);
+ std::string status;
+ dump_errno(err, status);
+ encode_json("Status", status, s->formatter);
+
+ s->formatter->close_section();
+ }
+ s->formatter->close_section();
+
+ s->formatter->close_section();
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+
+void RGWGetCrossDomainPolicy_ObjStore_SWIFT::send_response()
+{
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this, "application/xml");
+
+ std::stringstream ss;
+
+ ss << R"(<?xml version="1.0"?>)" << "\n"
+ << R"(<!DOCTYPE cross-domain-policy SYSTEM )"
+ << R"("http://www.adobe.com/xml/dtds/cross-domain-policy.dtd" >)" << "\n"
+ << R"(<cross-domain-policy>)" << "\n"
+ << g_conf()->rgw_cross_domain_policy << "\n"
+ << R"(</cross-domain-policy>)";
+
+ dump_body(s, ss.str());
+}
+
+void RGWGetHealthCheck_ObjStore_SWIFT::send_response()
+{
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this, "application/xml");
+
+ if (op_ret) {
+ static constexpr char DISABLED[] = "DISABLED BY FILE";
+ dump_body(s, DISABLED, strlen(DISABLED));
+ }
+}
+
+const vector<pair<string, RGWInfo_ObjStore_SWIFT::info>> RGWInfo_ObjStore_SWIFT::swift_info =
+{
+ {"bulk_delete", {false, nullptr}},
+ {"container_quotas", {false, nullptr}},
+ {"swift", {false, RGWInfo_ObjStore_SWIFT::list_swift_data}},
+ {"tempurl", { false, RGWInfo_ObjStore_SWIFT::list_tempurl_data}},
+ {"slo", {false, RGWInfo_ObjStore_SWIFT::list_slo_data}},
+ {"account_quotas", {false, nullptr}},
+ {"staticweb", {false, nullptr}},
+ {"tempauth", {false, RGWInfo_ObjStore_SWIFT::list_tempauth_data}},
+};
+
+void RGWInfo_ObjStore_SWIFT::execute(optional_yield y)
+{
+ bool is_admin_info_enabled = false;
+
+ const string& swiftinfo_sig = s->info.args.get("swiftinfo_sig");
+ const string& swiftinfo_expires = s->info.args.get("swiftinfo_expires");
+
+ if (!swiftinfo_sig.empty() &&
+ !swiftinfo_expires.empty() &&
+ !is_expired(swiftinfo_expires, this)) {
+ is_admin_info_enabled = true;
+ }
+
+ s->formatter->open_object_section("info");
+
+ for (const auto& pair : swift_info) {
+ if(!is_admin_info_enabled && pair.second.is_admin_info)
+ continue;
+
+ if (!pair.second.list_data) {
+ s->formatter->open_object_section((pair.first).c_str());
+ s->formatter->close_section();
+ }
+ else {
+ pair.second.list_data(*(s->formatter), s->cct->_conf, driver);
+ }
+ }
+
+ s->formatter->close_section();
+}
+
+void RGWInfo_ObjStore_SWIFT::send_response()
+{
+ if (op_ret < 0) {
+ op_ret = STATUS_NO_CONTENT;
+ }
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this);
+ rgw_flush_formatter_and_reset(s, s->formatter);
+}
+
+void RGWInfo_ObjStore_SWIFT::list_swift_data(Formatter& formatter,
+ const ConfigProxy& config,
+ rgw::sal::Driver* driver)
+{
+ formatter.open_object_section("swift");
+ formatter.dump_int("max_file_size", config->rgw_max_put_size);
+ formatter.dump_int("container_listing_limit", RGW_LIST_BUCKETS_LIMIT_MAX);
+
+ string ceph_version(CEPH_GIT_NICE_VER);
+ formatter.dump_string("version", ceph_version);
+
+ const size_t max_attr_name_len = \
+ g_conf().get_val<Option::size_t>("rgw_max_attr_name_len");
+ if (max_attr_name_len) {
+ const size_t meta_name_limit = \
+ max_attr_name_len - strlen(RGW_ATTR_PREFIX RGW_AMZ_META_PREFIX);
+ formatter.dump_int("max_meta_name_length", meta_name_limit);
+ }
+
+ const size_t meta_value_limit = g_conf().get_val<Option::size_t>("rgw_max_attr_size");
+ if (meta_value_limit) {
+ formatter.dump_int("max_meta_value_length", meta_value_limit);
+ }
+
+ const size_t meta_num_limit = \
+ g_conf().get_val<uint64_t>("rgw_max_attrs_num_in_req");
+ if (meta_num_limit) {
+ formatter.dump_int("max_meta_count", meta_num_limit);
+ }
+
+ formatter.open_array_section("policies");
+ const rgw::sal::ZoneGroup& zonegroup = driver->get_zone()->get_zonegroup();
+
+ std::set<std::string> targets;
+ zonegroup.get_placement_target_names(targets);
+ for (const auto& placement_targets : targets) {
+ formatter.open_object_section("policy");
+ if (placement_targets.compare(zonegroup.get_default_placement_name()) == 0)
+ formatter.dump_bool("default", true);
+ formatter.dump_string("name", placement_targets.c_str());
+ formatter.close_section();
+ }
+ formatter.close_section();
+
+ formatter.dump_int("max_object_name_size", RGWHandler_REST::MAX_OBJ_NAME_LEN);
+ formatter.dump_bool("strict_cors_mode", true);
+ formatter.dump_int("max_container_name_length", RGWHandler_REST::MAX_BUCKET_NAME_LEN);
+ formatter.close_section();
+}
+
+void RGWInfo_ObjStore_SWIFT::list_tempauth_data(Formatter& formatter,
+ const ConfigProxy& config,
+ rgw::sal::Driver* driver)
+{
+ formatter.open_object_section("tempauth");
+ formatter.dump_bool("account_acls", true);
+ formatter.close_section();
+}
+void RGWInfo_ObjStore_SWIFT::list_tempurl_data(Formatter& formatter,
+ const ConfigProxy& config,
+ rgw::sal::Driver* driver)
+{
+ formatter.open_object_section("tempurl");
+ formatter.open_array_section("methods");
+ formatter.dump_string("methodname", "GET");
+ formatter.dump_string("methodname", "HEAD");
+ formatter.dump_string("methodname", "PUT");
+ formatter.dump_string("methodname", "POST");
+ formatter.dump_string("methodname", "DELETE");
+ formatter.close_section();
+ formatter.close_section();
+}
+
+void RGWInfo_ObjStore_SWIFT::list_slo_data(Formatter& formatter,
+ const ConfigProxy& config,
+ rgw::sal::Driver* driver)
+{
+ formatter.open_object_section("slo");
+ formatter.dump_int("max_manifest_segments", config->rgw_max_slo_entries);
+ formatter.close_section();
+}
+
+bool RGWInfo_ObjStore_SWIFT::is_expired(const std::string& expires, const DoutPrefixProvider *dpp)
+{
+ string err;
+ const utime_t now = ceph_clock_now();
+ const uint64_t expiration = (uint64_t)strict_strtoll(expires.c_str(),
+ 10, &err);
+ if (!err.empty()) {
+ ldpp_dout(dpp, 5) << "failed to parse siginfo_expires: " << err << dendl;
+ return true;
+ }
+
+ if (expiration <= (uint64_t)now.sec()) {
+ ldpp_dout(dpp, 5) << "siginfo expired: " << expiration << " <= " << now.sec() << dendl;
+ return true;
+ }
+
+ return false;
+}
+
+
+void RGWFormPost::init(rgw::sal::Driver* const driver,
+ req_state* const s,
+ RGWHandler* const dialect_handler)
+{
+ if (!rgw::sal::Object::empty(s->object)) {
+ prefix = std::move(s->object->get_name());
+ s->object->set_key(rgw_obj_key());
+ }
+
+ return RGWPostObj_ObjStore::init(driver, s, dialect_handler);
+}
+
+std::size_t RGWFormPost::get_max_file_size() /*const*/
+{
+ std::string max_str = get_part_str(ctrl_parts, "max_file_size", "0");
+
+ std::string err;
+ const std::size_t max_file_size =
+ static_cast<uint64_t>(strict_strtoll(max_str.c_str(), 10, &err));
+
+ if (! err.empty()) {
+ ldpp_dout(this, 5) << "failed to parse FormPost's max_file_size: " << err
+ << dendl;
+ return 0;
+ }
+
+ return max_file_size;
+}
+
+bool RGWFormPost::is_non_expired()
+{
+ std::string expires = get_part_str(ctrl_parts, "expires", "0");
+
+ std::string err;
+ const uint64_t expires_timestamp =
+ static_cast<uint64_t>(strict_strtoll(expires.c_str(), 10, &err));
+
+ if (! err.empty()) {
+ ldpp_dout(this, 5) << "failed to parse FormPost's expires: " << err << dendl;
+ return false;
+ }
+
+ const utime_t now = ceph_clock_now();
+ if (std::cmp_less_equal(expires_timestamp, now.sec())) {
+ ldpp_dout(this, 5) << "FormPost form expired: "
+ << expires_timestamp << " <= " << now.sec() << dendl;
+ return false;
+ }
+
+ return true;
+}
+
+bool RGWFormPost::is_integral()
+{
+ const std::string form_signature = get_part_str(ctrl_parts, "signature");
+
+ try {
+ get_owner_info(s, s->user->get_info());
+ s->auth.identity = rgw::auth::transform_old_authinfo(s);
+ } catch (...) {
+ ldpp_dout(this, 5) << "cannot get user_info of account's owner" << dendl;
+ return false;
+ }
+
+ for (const auto& kv : s->user->get_info().temp_url_keys) {
+ const int temp_url_key_num = kv.first;
+ const string& temp_url_key = kv.second;
+
+ if (temp_url_key.empty()) {
+ continue;
+ }
+
+ SignatureHelper sig_helper;
+ sig_helper.calc(temp_url_key,
+ s->info.request_uri,
+ get_part_str(ctrl_parts, "redirect"),
+ get_part_str(ctrl_parts, "max_file_size", "0"),
+ get_part_str(ctrl_parts, "max_file_count", "0"),
+ get_part_str(ctrl_parts, "expires", "0"));
+
+ const auto local_sig = sig_helper.get_signature();
+
+ ldpp_dout(this, 20) << "FormPost signature [" << temp_url_key_num << "]"
+ << " (calculated): " << local_sig << dendl;
+
+ if (sig_helper.is_equal_to(form_signature)) {
+ return true;
+ } else {
+ ldpp_dout(this, 5) << "FormPost's signature mismatch: "
+ << local_sig << " != " << form_signature << dendl;
+ }
+ }
+
+ return false;
+}
+
+void RGWFormPost::get_owner_info(const req_state* const s,
+ RGWUserInfo& owner_info) const
+{
+ /* We cannot use req_state::bucket_name because it isn't available
+ * now. It will be initialized in RGWHandler_REST_SWIFT::postauth_init(). */
+ const string& bucket_name = s->init_state.url_bucket;
+
+ std::unique_ptr<rgw::sal::User> user;
+
+ /* TempURL in Formpost only requires that bucket name is specified. */
+ if (bucket_name.empty()) {
+ throw -EPERM;
+ }
+
+ if (!s->account_name.empty()) {
+ RGWUserInfo uinfo;
+ bool found = false;
+
+ const rgw_user uid(s->account_name);
+ if (uid.tenant.empty()) {
+ const rgw_user tenanted_uid(uid.id, uid.id);
+ user = driver->get_user(tenanted_uid);
+
+ if (user->load_user(s, s->yield) >= 0) {
+ /* Succeeded. */
+ found = true;
+ }
+ }
+
+ if (!found) {
+ user = driver->get_user(uid);
+ if (user->load_user(s, s->yield) < 0) {
+ throw -EPERM;
+ }
+ }
+ }
+
+ /* Need to get user info of bucket owner. */
+ std::unique_ptr<rgw::sal::Bucket> bucket;
+ int ret = driver->get_bucket(s, user.get(), user->get_tenant(), bucket_name, &bucket, s->yield);
+ if (ret < 0) {
+ throw ret;
+ }
+
+ ldpp_dout(this, 20) << "temp url user (bucket owner): " << bucket->get_info().owner
+ << dendl;
+
+ user = driver->get_user(bucket->get_info().owner);
+ if (user->load_user(s, s->yield) < 0) {
+ throw -EPERM;
+ }
+
+ owner_info = user->get_info();
+}
+
+int RGWFormPost::get_params(optional_yield y)
+{
+ /* The parentt class extracts boundary info from the Content-Type. */
+ int ret = RGWPostObj_ObjStore::get_params(y);
+ if (ret < 0) {
+ return ret;
+ }
+
+ policy.create_default(s->user->get_id(), s->user->get_display_name());
+
+ /* Let's start parsing the HTTP body by parsing each form part step-
+ * by-step till encountering the first part with file data. */
+ do {
+ struct post_form_part part;
+ ret = read_form_part_header(&part, stream_done);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (s->cct->_conf->subsys.should_gather<ceph_subsys_rgw, 20>()) {
+ ldpp_dout(this, 20) << "read part header -- part.name="
+ << part.name << dendl;
+
+ for (const auto& pair : part.fields) {
+ ldpp_dout(this, 20) << "field.name=" << pair.first << dendl;
+ ldpp_dout(this, 20) << "field.val=" << pair.second.val << dendl;
+ ldpp_dout(this, 20) << "field.params:" << dendl;
+
+ for (const auto& param_pair : pair.second.params) {
+ ldpp_dout(this, 20) << " " << param_pair.first
+ << " -> " << param_pair.second << dendl;
+ }
+ }
+ }
+
+ if (stream_done) {
+ /* Unexpected here. */
+ err_msg = "Malformed request";
+ return -EINVAL;
+ }
+
+ const auto field_iter = part.fields.find("Content-Disposition");
+ if (std::end(part.fields) != field_iter &&
+ std::end(field_iter->second.params) != field_iter->second.params.find("filename")) {
+ /* First data part ahead. */
+ current_data_part = std::move(part);
+
+ /* Stop the iteration. We can assume that all control parts have been
+ * already parsed. The rest of HTTP body should contain data parts
+ * only. They will be picked up by ::get_data(). */
+ break;
+ } else {
+ /* Control part ahead. Receive, parse and driver for later usage. */
+ bool boundary;
+ ret = read_data(part.data, s->cct->_conf->rgw_max_chunk_size,
+ boundary, stream_done);
+ if (ret < 0) {
+ return ret;
+ } else if (! boundary) {
+ err_msg = "Couldn't find boundary";
+ return -EINVAL;
+ }
+
+ ctrl_parts[part.name] = std::move(part);
+ }
+ } while (! stream_done);
+
+ min_len = 0;
+ max_len = get_max_file_size();
+
+ if (! current_data_part) {
+ err_msg = "FormPost: no files to process";
+ return -EINVAL;
+ }
+
+ if (! is_non_expired()) {
+ err_msg = "FormPost: Form Expired";
+ return -EPERM;
+ }
+
+ if (! is_integral()) {
+ err_msg = "FormPost: Invalid Signature";
+ return -EPERM;
+ }
+
+ return 0;
+}
+
+std::string RGWFormPost::get_current_filename() const
+{
+ try {
+ const auto& field = current_data_part->fields.at("Content-Disposition");
+ const auto iter = field.params.find("filename");
+
+ if (std::end(field.params) != iter) {
+ return prefix + iter->second;
+ }
+ } catch (std::out_of_range&) {
+ /* NOP */;
+ }
+
+ return prefix;
+}
+
+std::string RGWFormPost::get_current_content_type() const
+{
+ try {
+ const auto& field = current_data_part->fields.at("Content-Type");
+ return field.val;
+ } catch (std::out_of_range&) {
+ /* NOP */;
+ }
+
+ return std::string();
+}
+
+bool RGWFormPost::is_next_file_to_upload()
+{
+ if (! stream_done) {
+ /* We have at least one additional part in the body. */
+ struct post_form_part part;
+ int r = read_form_part_header(&part, stream_done);
+ if (r < 0) {
+ return false;
+ }
+
+ const auto field_iter = part.fields.find("Content-Disposition");
+ if (std::end(part.fields) != field_iter) {
+ const auto& params = field_iter->second.params;
+ const auto& filename_iter = params.find("filename");
+
+ if (std::end(params) != filename_iter && ! filename_iter->second.empty()) {
+ current_data_part = std::move(part);
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+int RGWFormPost::get_data(ceph::bufferlist& bl, bool& again)
+{
+ bool boundary;
+
+ int r = read_data(bl, s->cct->_conf->rgw_max_chunk_size,
+ boundary, stream_done);
+ if (r < 0) {
+ return r;
+ }
+
+ /* Tell RGWPostObj::execute(optional_yield y) that it has some data to put. */
+ again = !boundary;
+
+ return bl.length();
+}
+
+void RGWFormPost::send_response()
+{
+ std::string redirect = get_part_str(ctrl_parts, "redirect");
+ if (! redirect.empty()) {
+ op_ret = STATUS_REDIRECT;
+ }
+
+ set_req_state_err(s, op_ret);
+ s->err.err_code = err_msg;
+ dump_errno(s);
+ if (! redirect.empty()) {
+ dump_redirect(s, redirect);
+ }
+ end_header(s, this);
+}
+
+bool RGWFormPost::is_formpost_req(req_state* const s)
+{
+ std::string content_type;
+ std::map<std::string, std::string> params;
+
+ parse_boundary_params(s->info.env->get("CONTENT_TYPE", ""),
+ content_type, params);
+
+ return boost::algorithm::iequals(content_type, "multipart/form-data") &&
+ params.count("boundary") > 0;
+}
+
+
+RGWOp *RGWHandler_REST_Service_SWIFT::op_get()
+{
+ return new RGWListBuckets_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Service_SWIFT::op_head()
+{
+ return new RGWStatAccount_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Service_SWIFT::op_put()
+{
+ if (s->info.args.exists("extract-archive")) {
+ return new RGWBulkUploadOp_ObjStore_SWIFT;
+ }
+ return nullptr;
+}
+
+RGWOp *RGWHandler_REST_Service_SWIFT::op_post()
+{
+ if (s->info.args.exists("bulk-delete")) {
+ return new RGWBulkDelete_ObjStore_SWIFT;
+ }
+ return new RGWPutMetadataAccount_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Service_SWIFT::op_delete()
+{
+ if (s->info.args.exists("bulk-delete")) {
+ return new RGWBulkDelete_ObjStore_SWIFT;
+ }
+ return NULL;
+}
+
+int RGWSwiftWebsiteHandler::serve_errordoc(const int http_ret,
+ const std::string error_doc,
+ optional_yield y)
+{
+ /* Try to throw it all away. */
+ s->formatter->reset();
+
+ class RGWGetErrorPage : public RGWGetObj_ObjStore_SWIFT {
+ public:
+ RGWGetErrorPage(rgw::sal::Driver* const driver,
+ RGWHandler_REST* const handler,
+ req_state* const s,
+ const int http_ret) {
+ /* Calling a virtual from the base class is safe as the subobject should
+ * be properly initialized and we haven't overridden the init method. */
+ init(driver, s, handler);
+ set_get_data(true);
+ set_custom_http_response(http_ret);
+ }
+
+ int error_handler(const int err_no,
+ std::string* const error_content, optional_yield y) override {
+ /* Enforce that any error generated while getting the error page will
+ * not be send to a client. This allows us to recover from the double
+ * fault situation by sending the original message. */
+ return 0;
+ }
+ } get_errpage_op(driver, handler, s, http_ret);
+
+ /* This is okay. It's an error, so nothing will run after this, and it can be
+ * called by abort_early(), which can be called before s->object or s->bucket
+ * are set up. */
+ if (!rgw::sal::Bucket::empty(s->bucket.get())) {
+ s->object = s->bucket->get_object(rgw_obj_key(std::to_string(http_ret) + error_doc));
+ } else {
+ s->object = driver->get_object(rgw_obj_key(std::to_string(http_ret) + error_doc));
+ }
+
+ RGWOp* newop = &get_errpage_op;
+ RGWRequest req(0);
+ return rgw_process_authenticated(handler, newop, &req, s, y, driver, true);
+}
+
+int RGWSwiftWebsiteHandler::error_handler(const int err_no,
+ std::string* const error_content,
+ optional_yield y)
+{
+ if (!s->bucket.get()) {
+ /* No bucket, default no-op handler */
+ return err_no;
+ }
+
+ const auto& ws_conf = s->bucket->get_info().website_conf;
+
+ if (can_be_website_req() && ! ws_conf.error_doc.empty()) {
+ set_req_state_err(s, err_no);
+ return serve_errordoc(s->err.http_ret, ws_conf.error_doc, y);
+ }
+
+ /* Let's go to the default, no-op handler. */
+ return err_no;
+}
+
+bool RGWSwiftWebsiteHandler::is_web_mode() const
+{
+ const std::string_view webmode = s->info.env->get("HTTP_X_WEB_MODE", "");
+ return boost::algorithm::iequals(webmode, "true");
+}
+
+bool RGWSwiftWebsiteHandler::can_be_website_req() const
+{
+ /* Static website works only with the GET or HEAD method. Nothing more. */
+ static const std::set<std::string_view> ws_methods = { "GET", "HEAD" };
+ if (ws_methods.count(s->info.method) == 0) {
+ return false;
+ }
+
+ /* We also need to handle early failures from the auth system. In such cases
+ * req_state::auth.identity may be empty. Let's treat that the same way as
+ * the anonymous access. */
+ if (! s->auth.identity) {
+ return true;
+ }
+
+ /* Swift serves websites only for anonymous requests unless client explicitly
+ * requested this behaviour by supplying X-Web-Mode HTTP header set to true. */
+ if (s->auth.identity->is_anonymous() || is_web_mode()) {
+ return true;
+ }
+
+ return false;
+}
+
+RGWOp* RGWSwiftWebsiteHandler::get_ws_redirect_op()
+{
+ class RGWMovedPermanently: public RGWOp {
+ const std::string location;
+ public:
+ explicit RGWMovedPermanently(const std::string& location)
+ : location(location) {
+ }
+
+ int verify_permission(optional_yield) override {
+ return 0;
+ }
+
+ void execute(optional_yield) override {
+ op_ret = -ERR_PERMANENT_REDIRECT;
+ return;
+ }
+
+ void send_response() override {
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ dump_content_length(s, 0);
+ dump_redirect(s, location);
+ end_header(s, this);
+ }
+
+ const char* name() const override {
+ return "RGWMovedPermanently";
+ }
+ };
+
+ return new RGWMovedPermanently(s->info.request_uri + '/');
+}
+
+RGWOp* RGWSwiftWebsiteHandler::get_ws_index_op()
+{
+ /* Retarget to get obj on requested index file. */
+ if (! s->object->empty()) {
+ s->object->set_name(s->object->get_name() +
+ s->bucket->get_info().website_conf.get_index_doc());
+ } else {
+ s->object->set_name(s->bucket->get_info().website_conf.get_index_doc());
+ }
+
+ auto getop = new RGWGetObj_ObjStore_SWIFT;
+ getop->set_get_data(boost::algorithm::equals("GET", s->info.method));
+
+ return getop;
+}
+
+RGWOp* RGWSwiftWebsiteHandler::get_ws_listing_op()
+{
+ class RGWWebsiteListing : public RGWListBucket_ObjStore_SWIFT {
+ const std::string prefix_override;
+
+ int get_params(optional_yield) override {
+ prefix = prefix_override;
+ max = default_max;
+ delimiter = "/";
+ return 0;
+ }
+
+ void send_response() override {
+ /* Generate the header now. */
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ dump_container_metadata(s, s->bucket.get(), quota.bucket_quota,
+ s->bucket->get_info().website_conf);
+ end_header(s, this, "text/html");
+ if (op_ret < 0) {
+ return;
+ }
+
+ /* Now it's the time to start generating HTML bucket listing.
+ * All the crazy stuff with crafting tags will be delegated to
+ * RGWSwiftWebsiteListingFormatter. */
+ std::stringstream ss;
+ RGWSwiftWebsiteListingFormatter htmler(ss, prefix);
+
+ const auto& ws_conf = s->bucket->get_info().website_conf;
+ htmler.generate_header(s->decoded_uri,
+ ws_conf.listing_css_doc);
+
+ for (const auto& pair : common_prefixes) {
+ std::string subdir_name = pair.first;
+ if (! subdir_name.empty()) {
+ /* To be compliant with Swift we need to remove the trailing
+ * slash. */
+ subdir_name.pop_back();
+ }
+
+ htmler.dump_subdir(subdir_name);
+ }
+
+ for (const rgw_bucket_dir_entry& obj : objs) {
+ if (! common_prefixes.count(obj.key.name + '/')) {
+ htmler.dump_object(obj);
+ }
+ }
+
+ htmler.generate_footer();
+ dump_body(s, ss.str());
+ }
+ public:
+ /* Taking prefix_override by value to leverage std::string r-value ref
+ * ctor and thus avoid extra memory copying/increasing ref counter. */
+ explicit RGWWebsiteListing(std::string prefix_override)
+ : prefix_override(std::move(prefix_override)) {
+ }
+ };
+
+ std::string prefix = std::move(s->object->get_name());
+ s->object->set_key(rgw_obj_key());
+
+ return new RGWWebsiteListing(std::move(prefix));
+}
+
+bool RGWSwiftWebsiteHandler::is_web_dir() const
+{
+ std::string subdir_name = url_decode(s->object->get_name());
+
+ /* Remove character from the subdir name if it is "/". */
+ if (subdir_name.empty()) {
+ return false;
+ } else if (subdir_name.back() == '/') {
+ subdir_name.pop_back();
+ if (subdir_name.empty()) {
+ return false;
+ }
+ }
+
+ std::unique_ptr<rgw::sal::Object> obj = s->bucket->get_object(rgw_obj_key(std::move(subdir_name)));
+
+ /* First, get attrset of the object we'll try to retrieve. */
+ obj->set_atomic();
+ obj->set_prefetch_data();
+
+ RGWObjState* state = nullptr;
+ if (obj->get_obj_state(s, &state, s->yield, false)) {
+ return false;
+ }
+
+ /* A nonexistent object cannot be a considered as a marker representing
+ * the emulation of catalog in FS hierarchy. */
+ if (! state->exists) {
+ return false;
+ }
+
+ /* Decode the content type. */
+ std::string content_type;
+ get_contype_from_attrs(state->attrset, content_type);
+
+ const auto& ws_conf = s->bucket->get_info().website_conf;
+ const std::string subdir_marker = ws_conf.subdir_marker.empty()
+ ? "application/directory"
+ : ws_conf.subdir_marker;
+ return subdir_marker == content_type && state->size <= 1;
+}
+
+bool RGWSwiftWebsiteHandler::is_index_present(const std::string& index) const
+{
+ std::unique_ptr<rgw::sal::Object> obj = s->bucket->get_object(rgw_obj_key(index));
+
+ obj->set_atomic();
+ obj->set_prefetch_data();
+
+ RGWObjState* state = nullptr;
+ if (obj->get_obj_state(s, &state, s->yield, false)) {
+ return false;
+ }
+
+ /* A nonexistent object cannot be a considered as a viable index. We will
+ * try to list the bucket or - if this is impossible - return an error. */
+ return state->exists;
+}
+
+int RGWSwiftWebsiteHandler::retarget_bucket(RGWOp* op, RGWOp** new_op)
+{
+ ldpp_dout(s, 10) << "Starting retarget" << dendl;
+ RGWOp* op_override = nullptr;
+
+ /* In Swift static web content is served if the request is anonymous or
+ * has X-Web-Mode HTTP header specified to true. */
+ if (can_be_website_req()) {
+ const auto& ws_conf = s->bucket->get_info().website_conf;
+ const auto& index = s->bucket->get_info().website_conf.get_index_doc();
+
+ if (s->decoded_uri.back() != '/') {
+ op_override = get_ws_redirect_op();
+ } else if (! index.empty() && is_index_present(index)) {
+ op_override = get_ws_index_op();
+ } else if (ws_conf.listing_enabled) {
+ op_override = get_ws_listing_op();
+ }
+ }
+
+ if (op_override) {
+ handler->put_op(op);
+ op_override->init(driver, s, handler);
+
+ *new_op = op_override;
+ } else {
+ *new_op = op;
+ }
+
+ /* Return 404 Not Found is the request has web mode enforced but we static web
+ * wasn't able to serve it accordingly. */
+ return ! op_override && is_web_mode() ? -ENOENT : 0;
+}
+
+int RGWSwiftWebsiteHandler::retarget_object(RGWOp* op, RGWOp** new_op)
+{
+ ldpp_dout(s, 10) << "Starting object retarget" << dendl;
+ RGWOp* op_override = nullptr;
+
+ /* In Swift static web content is served if the request is anonymous or
+ * has X-Web-Mode HTTP header specified to true. */
+ if (can_be_website_req() && is_web_dir()) {
+ const auto& ws_conf = s->bucket->get_info().website_conf;
+ const auto& index = s->bucket->get_info().website_conf.get_index_doc();
+
+ if (s->decoded_uri.back() != '/') {
+ op_override = get_ws_redirect_op();
+ } else if (! index.empty() && is_index_present(index)) {
+ op_override = get_ws_index_op();
+ } else if (ws_conf.listing_enabled) {
+ op_override = get_ws_listing_op();
+ }
+ } else {
+ /* A regular request or the specified object isn't a subdirectory marker.
+ * We don't need any re-targeting. Error handling (like sending a custom
+ * error page) will be performed by error_handler of the actual RGWOp. */
+ return 0;
+ }
+
+ if (op_override) {
+ handler->put_op(op);
+ op_override->init(driver, s, handler);
+
+ *new_op = op_override;
+ } else {
+ *new_op = op;
+ }
+
+ /* Return 404 Not Found if we aren't able to re-target for subdir marker. */
+ return ! op_override ? -ENOENT : 0;
+}
+
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::get_obj_op(bool get_data)
+{
+ if (is_acl_op()) {
+ return new RGWGetACLs_ObjStore_SWIFT;
+ }
+
+ if (get_data)
+ return new RGWListBucket_ObjStore_SWIFT;
+ else
+ return new RGWStatBucket_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_get()
+{
+ return get_obj_op(true);
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_head()
+{
+ return get_obj_op(false);
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_put()
+{
+ if (is_acl_op()) {
+ return new RGWPutACLs_ObjStore_SWIFT;
+ }
+ if(s->info.args.exists("extract-archive")) {
+ return new RGWBulkUploadOp_ObjStore_SWIFT;
+ }
+ return new RGWCreateBucket_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_delete()
+{
+ return new RGWDeleteBucket_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_post()
+{
+ if (RGWFormPost::is_formpost_req(s)) {
+ return new RGWFormPost;
+ } else {
+ return new RGWPutMetadataBucket_ObjStore_SWIFT;
+ }
+}
+
+RGWOp *RGWHandler_REST_Bucket_SWIFT::op_options()
+{
+ return new RGWOptionsCORS_ObjStore_SWIFT;
+}
+
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::get_obj_op(bool get_data)
+{
+ if (is_acl_op()) {
+ return new RGWGetACLs_ObjStore_SWIFT;
+ }
+
+ RGWGetObj_ObjStore_SWIFT *get_obj_op = new RGWGetObj_ObjStore_SWIFT;
+ get_obj_op->set_get_data(get_data);
+ return get_obj_op;
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_get()
+{
+ return get_obj_op(true);
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_head()
+{
+ return get_obj_op(false);
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_put()
+{
+ if (is_acl_op()) {
+ return new RGWPutACLs_ObjStore_SWIFT;
+ }
+ if(s->info.args.exists("extract-archive")) {
+ return new RGWBulkUploadOp_ObjStore_SWIFT;
+ }
+ if (s->init_state.src_bucket.empty())
+ return new RGWPutObj_ObjStore_SWIFT;
+ else
+ return new RGWCopyObj_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_delete()
+{
+ return new RGWDeleteObj_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_post()
+{
+ if (RGWFormPost::is_formpost_req(s)) {
+ return new RGWFormPost;
+ } else {
+ return new RGWPutMetadataObject_ObjStore_SWIFT;
+ }
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_copy()
+{
+ return new RGWCopyObj_ObjStore_SWIFT;
+}
+
+RGWOp *RGWHandler_REST_Obj_SWIFT::op_options()
+{
+ return new RGWOptionsCORS_ObjStore_SWIFT;
+}
+
+
+int RGWHandler_REST_SWIFT::authorize(const DoutPrefixProvider *dpp, optional_yield y)
+{
+ return rgw::auth::Strategy::apply(dpp, auth_strategy, s, y);
+}
+
+int RGWHandler_REST_SWIFT::postauth_init(optional_yield y)
+{
+ struct req_init_state* t = &s->init_state;
+
+ /* XXX Stub this until Swift Auth sets account into URL. */
+ if (g_conf()->rgw_swift_account_in_url
+ && s->user->get_id().id == RGW_USER_ANON_ID) {
+ s->bucket_tenant = s->account_name;
+ } else {
+ s->bucket_tenant = s->user->get_tenant();
+ }
+ s->bucket_name = t->url_bucket;
+
+ if (!s->object) {
+ /* Need an object, even an empty one */
+ s->object = driver->get_object(rgw_obj_key());
+ }
+
+ ldpp_dout(s, 10) << "s->object=" <<
+ (!s->object->empty() ? s->object->get_key() : rgw_obj_key("<NULL>"))
+ << " s->bucket="
+ << rgw_make_bucket_entry_name(s->bucket_tenant, s->bucket_name)
+ << dendl;
+
+ int ret;
+ ret = rgw_validate_tenant_name(s->bucket_tenant);
+ if (ret)
+ return ret;
+ ret = validate_bucket_name(s->bucket_name);
+ if (ret)
+ return ret;
+ ret = validate_object_name(s->object->get_name());
+ if (ret)
+ return ret;
+
+ if (!t->src_bucket.empty()) {
+ /*
+ * We don't allow cross-tenant copy at present. It requires account
+ * names in the URL for Swift.
+ */
+ s->src_tenant_name = s->user->get_tenant();
+ s->src_bucket_name = t->src_bucket;
+
+ ret = validate_bucket_name(s->src_bucket_name);
+ if (ret < 0) {
+ return ret;
+ }
+ ret = validate_object_name(s->src_object->get_name());
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int RGWHandler_REST_SWIFT::validate_bucket_name(const string& bucket)
+{
+ const size_t len = bucket.size();
+
+ if (len > MAX_BUCKET_NAME_LEN) {
+ /* Bucket Name too long. Generate custom error message and bind it
+ * to an R-value reference. */
+ const auto msg = boost::str(
+ boost::format("Container name length of %lld longer than %lld")
+ % len % int(MAX_BUCKET_NAME_LEN));
+ set_req_state_err(s, ERR_INVALID_BUCKET_NAME, msg);
+ return -ERR_INVALID_BUCKET_NAME;
+ }
+
+
+ if (len == 0)
+ return 0;
+
+ if (bucket[0] == '.')
+ return -ERR_INVALID_BUCKET_NAME;
+
+ if (check_utf8(bucket.c_str(), len))
+ return -ERR_INVALID_UTF8;
+
+ const char *s = bucket.c_str();
+
+ for (size_t i = 0; i < len; ++i, ++s) {
+ if (*(unsigned char *)s == 0xff)
+ return -ERR_INVALID_BUCKET_NAME;
+ if (*(unsigned char *)s == '/')
+ return -ERR_INVALID_BUCKET_NAME;
+ }
+
+ return 0;
+}
+
+static void next_tok(string& str, string& tok, char delim)
+{
+ if (str.size() == 0) {
+ tok = "";
+ return;
+ }
+ tok = str;
+ int pos = str.find(delim);
+ if (pos > 0) {
+ tok = str.substr(0, pos);
+ str = str.substr(pos + 1);
+ } else {
+ str = "";
+ }
+}
+
+int RGWHandler_REST_SWIFT::init_from_header(rgw::sal::Driver* driver,
+ req_state* const s,
+ const std::string& frontend_prefix)
+{
+ string req;
+ string first;
+
+ s->prot_flags |= RGW_REST_SWIFT;
+
+ char reqbuf[frontend_prefix.length() + s->decoded_uri.length() + 1];
+ sprintf(reqbuf, "%s%s", frontend_prefix.c_str(), s->decoded_uri.c_str());
+ const char *req_name = reqbuf;
+
+ const char *p;
+
+ if (*req_name == '?') {
+ p = req_name;
+ } else {
+ p = s->info.request_params.c_str();
+ }
+
+ s->info.args.set(p);
+ s->info.args.parse(s);
+
+ /* Skip the leading slash of URL hierarchy. */
+ if (req_name[0] != '/') {
+ return 0;
+ } else {
+ req_name++;
+ }
+
+ if ('\0' == req_name[0]) {
+ return g_conf()->rgw_swift_url_prefix == "/" ? -ERR_BAD_URL : 0;
+ }
+
+ req = req_name;
+
+ size_t pos = req.find('/');
+ if (std::string::npos != pos && g_conf()->rgw_swift_url_prefix != "/") {
+ bool cut_url = g_conf()->rgw_swift_url_prefix.length();
+ first = req.substr(0, pos);
+
+ if (first.compare(g_conf()->rgw_swift_url_prefix) == 0) {
+ if (cut_url) {
+ /* Rewind to the "v1/..." part. */
+ next_tok(req, first, '/');
+ }
+ }
+ } else if (req.compare(g_conf()->rgw_swift_url_prefix) == 0) {
+ s->formatter = new RGWFormatter_Plain;
+ return -ERR_BAD_URL;
+ } else {
+ first = req;
+ }
+
+ std::string tenant_path;
+ if (! g_conf()->rgw_swift_tenant_name.empty()) {
+ tenant_path = "/AUTH_";
+ tenant_path.append(g_conf()->rgw_swift_tenant_name);
+ }
+
+ /* verify that the request_uri conforms with what's expected */
+ char buf[g_conf()->rgw_swift_url_prefix.length() + 16 + tenant_path.length()];
+ int blen;
+ if (g_conf()->rgw_swift_url_prefix == "/") {
+ blen = sprintf(buf, "/v1%s", tenant_path.c_str());
+ } else {
+ blen = sprintf(buf, "/%s/v1%s",
+ g_conf()->rgw_swift_url_prefix.c_str(), tenant_path.c_str());
+ }
+
+ if (strncmp(reqbuf, buf, blen) != 0) {
+ return -ENOENT;
+ }
+
+ int ret = allocate_formatter(s, RGWFormat::PLAIN, true);
+ if (ret < 0)
+ return ret;
+
+ string ver;
+
+ next_tok(req, ver, '/');
+
+ if (!tenant_path.empty() || g_conf()->rgw_swift_account_in_url) {
+ string account_name;
+ next_tok(req, account_name, '/');
+
+ /* Erase all pre-defined prefixes like "AUTH_" or "KEY_". */
+ const vector<string> skipped_prefixes = { "AUTH_", "KEY_" };
+
+ for (const auto& pfx : skipped_prefixes) {
+ const size_t comp_len = min(account_name.length(), pfx.length());
+ if (account_name.compare(0, comp_len, pfx) == 0) {
+ /* Prefix is present. Drop it. */
+ account_name = account_name.substr(comp_len);
+ break;
+ }
+ }
+
+ if (account_name.empty()) {
+ return -ERR_PRECONDITION_FAILED;
+ } else {
+ s->account_name = account_name;
+ }
+ }
+
+ next_tok(req, first, '/');
+
+ ldpp_dout(s, 10) << "ver=" << ver << " first=" << first << " req=" << req << dendl;
+ if (first.size() == 0)
+ return 0;
+
+ s->info.effective_uri = "/" + first;
+
+ // Save bucket to tide us over until token is parsed.
+ s->init_state.url_bucket = first;
+
+ if (req.size()) {
+ s->object = driver->get_object(
+ rgw_obj_key(req, s->info.env->get("HTTP_X_OBJECT_VERSION_ID", ""))); /* rgw swift extension */
+ s->info.effective_uri.append("/" + s->object->get_name());
+ }
+
+ return 0;
+}
+
+int RGWHandler_REST_SWIFT::init(rgw::sal::Driver* driver, req_state* s,
+ rgw::io::BasicClient *cio)
+{
+ struct req_init_state *t = &s->init_state;
+
+ s->dialect = "swift";
+
+ std::string copy_source = s->info.env->get("HTTP_X_COPY_FROM", "");
+ if (! copy_source.empty()) {
+ rgw_obj_key key;
+ bool result = RGWCopyObj::parse_copy_location(copy_source, t->src_bucket, key, s);
+ if (!result)
+ return -ERR_BAD_URL;
+ s->src_object = driver->get_object(key);
+ if (!s->src_object)
+ return -ERR_BAD_URL;
+ }
+
+ if (s->op == OP_COPY) {
+ std::string req_dest = s->info.env->get("HTTP_DESTINATION", "");
+ if (req_dest.empty())
+ return -ERR_BAD_URL;
+
+ std::string dest_bucket_name;
+ rgw_obj_key dest_obj_key;
+ bool result =
+ RGWCopyObj::parse_copy_location(req_dest, dest_bucket_name,
+ dest_obj_key, s);
+ if (!result)
+ return -ERR_BAD_URL;
+
+ std::string dest_object_name = dest_obj_key.name;
+
+ /* convert COPY operation into PUT */
+ t->src_bucket = t->url_bucket;
+ s->src_object = s->object->clone();
+ t->url_bucket = dest_bucket_name;
+ s->object->set_name(dest_object_name);
+ s->op = OP_PUT;
+ }
+
+ s->info.storage_class = s->info.env->get("HTTP_X_OBJECT_STORAGE_CLASS", "");
+
+ return RGWHandler_REST::init(driver, s, cio);
+}
+
+RGWHandler_REST*
+RGWRESTMgr_SWIFT::get_handler(rgw::sal::Driver* driver,
+ req_state* const s,
+ const rgw::auth::StrategyRegistry& auth_registry,
+ const std::string& frontend_prefix)
+{
+ int ret = RGWHandler_REST_SWIFT::init_from_header(driver, s, frontend_prefix);
+ if (ret < 0) {
+ ldpp_dout(s, 10) << "init_from_header returned err=" << ret << dendl;
+ return nullptr;
+ }
+
+ const auto& auth_strategy = auth_registry.get_swift();
+
+ if (s->init_state.url_bucket.empty()) {
+ return new RGWHandler_REST_Service_SWIFT(auth_strategy);
+ }
+
+ if (rgw::sal::Object::empty(s->object.get())) {
+ return new RGWHandler_REST_Bucket_SWIFT(auth_strategy);
+ }
+
+ return new RGWHandler_REST_Obj_SWIFT(auth_strategy);
+}
+
+RGWHandler_REST* RGWRESTMgr_SWIFT_Info::get_handler(
+ rgw::sal::Driver* driver,
+ req_state* const s,
+ const rgw::auth::StrategyRegistry& auth_registry,
+ const std::string& frontend_prefix)
+{
+ s->prot_flags |= RGW_REST_SWIFT;
+ const auto& auth_strategy = auth_registry.get_swift();
+ return new RGWHandler_REST_SWIFT_Info(auth_strategy);
+}