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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/rgw/rgw_rest.h
parentInitial commit. (diff)
downloadceph-upstream/16.2.11+ds.tar.xz
ceph-upstream/16.2.11+ds.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/rgw/rgw_rest.h840
1 files changed, 840 insertions, 0 deletions
diff --git a/src/rgw/rgw_rest.h b/src/rgw/rgw_rest.h
new file mode 100644
index 000000000..0d6b67bbb
--- /dev/null
+++ b/src/rgw/rgw_rest.h
@@ -0,0 +1,840 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#pragma once
+
+#define TIME_BUF_SIZE 128
+
+#include <string_view>
+#include <boost/container/flat_set.hpp>
+#include "common/sstring.hh"
+#include "common/ceph_json.h"
+#include "include/ceph_assert.h" /* needed because of common/ceph_json.h */
+#include "rgw_op.h"
+#include "rgw_formats.h"
+#include "rgw_client_io.h"
+
+extern std::map<std::string, std::string> rgw_to_http_attrs;
+
+extern void rgw_rest_init(CephContext *cct, const RGWZoneGroup& zone_group);
+
+extern void rgw_flush_formatter_and_reset(struct req_state *s,
+ ceph::Formatter *formatter);
+
+extern void rgw_flush_formatter(struct req_state *s,
+ ceph::Formatter *formatter);
+
+std::tuple<int, bufferlist > rgw_rest_read_all_input(struct req_state *s,
+ const uint64_t max_len,
+ const bool allow_chunked=true);
+
+inline std::string_view rgw_sanitized_hdrval(ceph::buffer::list& raw)
+{
+ /* std::string and thus std::string_view ARE OBLIGED to carry multiple
+ * 0x00 and count them to the length of a string. We need to take that
+ * into consideration and sanitize the size of a ceph::buffer::list used
+ * to store metadata values (x-amz-meta-*, X-Container-Meta-*, etags).
+ * Otherwise we might send 0x00 to clients. */
+ const char* const data = raw.c_str();
+ size_t len = raw.length();
+
+ if (len && data[len - 1] == '\0') {
+ /* That's the case - the null byte has been included at the last position
+ * of the bufferlist. We need to restore the proper string length we'll
+ * pass to string_ref. */
+ len--;
+ }
+
+ return std::string_view(data, len);
+}
+
+template <class T>
+int rgw_rest_get_json_input(CephContext *cct, req_state *s, T& out,
+ uint64_t max_len, bool *empty)
+{
+ if (empty)
+ *empty = false;
+
+ int rv = 0;
+ bufferlist data;
+ std::tie(rv, data) = rgw_rest_read_all_input(s, max_len);
+ if (rv < 0) {
+ return rv;
+ }
+
+ if (!data.length()) {
+ if (empty) {
+ *empty = true;
+ }
+
+ return -EINVAL;
+ }
+
+ JSONParser parser;
+
+ if (!parser.parse(data.c_str(), data.length())) {
+ return -EINVAL;
+ }
+
+ try {
+ decode_json_obj(out, &parser);
+ } catch (JSONDecoder::err& e) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+template <class T>
+std::tuple<int, bufferlist > rgw_rest_get_json_input_keep_data(CephContext *cct, req_state *s, T& out, uint64_t max_len)
+{
+ int rv = 0;
+ bufferlist data;
+ std::tie(rv, data) = rgw_rest_read_all_input(s, max_len);
+ if (rv < 0) {
+ return std::make_tuple(rv, std::move(data));
+ }
+
+ if (!data.length()) {
+ return std::make_tuple(-EINVAL, std::move(data));
+ }
+
+ JSONParser parser;
+
+ if (!parser.parse(data.c_str(), data.length())) {
+ return std::make_tuple(-EINVAL, std::move(data));
+ }
+
+ try {
+ decode_json_obj(out, &parser);
+ } catch (JSONDecoder::err& e) {
+ return std::make_tuple(-EINVAL, std::move(data));
+ }
+
+ return std::make_tuple(0, std::move(data));
+}
+
+class RESTArgs {
+public:
+ static int get_string(struct req_state *s, const string& name,
+ const string& def_val, string *val,
+ bool *existed = NULL);
+ static int get_uint64(struct req_state *s, const string& name,
+ uint64_t def_val, uint64_t *val, bool *existed = NULL);
+ static int get_int64(struct req_state *s, const string& name,
+ int64_t def_val, int64_t *val, bool *existed = NULL);
+ static int get_uint32(struct req_state *s, const string& name,
+ uint32_t def_val, uint32_t *val, bool *existed = NULL);
+ static int get_int32(struct req_state *s, const string& name,
+ int32_t def_val, int32_t *val, bool *existed = NULL);
+ static int get_time(struct req_state *s, const string& name,
+ const utime_t& def_val, utime_t *val,
+ bool *existed = NULL);
+ static int get_epoch(struct req_state *s, const string& name,
+ uint64_t def_val, uint64_t *epoch,
+ bool *existed = NULL);
+ static int get_bool(struct req_state *s, const string& name, bool def_val,
+ bool *val, bool *existed = NULL);
+};
+
+class RGWRESTFlusher : public RGWFormatterFlusher {
+ struct req_state *s;
+ RGWOp *op;
+protected:
+ void do_flush() override;
+ void do_start(int ret) override;
+public:
+ RGWRESTFlusher(struct req_state *_s, RGWOp *_op) :
+ RGWFormatterFlusher(_s->formatter), s(_s), op(_op) {}
+ RGWRESTFlusher() : RGWFormatterFlusher(NULL), s(NULL), op(NULL) {}
+
+ void init(struct req_state *_s, RGWOp *_op) {
+ s = _s;
+ op = _op;
+ set_formatter(s->formatter);
+ }
+};
+
+class RGWGetObj_ObjStore : public RGWGetObj
+{
+protected:
+ bool sent_header;
+public:
+ RGWGetObj_ObjStore() : sent_header(false) {}
+
+ void init(rgw::sal::RGWRadosStore *store, struct req_state *s, RGWHandler *h) override {
+ RGWGetObj::init(store, s, h);
+ sent_header = false;
+ }
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWGetObjTags_ObjStore : public RGWGetObjTags {
+public:
+ RGWGetObjTags_ObjStore() {};
+ ~RGWGetObjTags_ObjStore() {};
+};
+
+class RGWPutObjTags_ObjStore: public RGWPutObjTags {
+public:
+ RGWPutObjTags_ObjStore() {};
+ ~RGWPutObjTags_ObjStore() {};
+};
+
+class RGWGetBucketTags_ObjStore : public RGWGetBucketTags {
+public:
+ RGWGetBucketTags_ObjStore() = default;
+ virtual ~RGWGetBucketTags_ObjStore() = default;
+};
+
+class RGWPutBucketTags_ObjStore: public RGWPutBucketTags {
+public:
+ RGWPutBucketTags_ObjStore() = default;
+ virtual ~RGWPutBucketTags_ObjStore() = default;
+};
+
+class RGWGetBucketReplication_ObjStore : public RGWGetBucketReplication {
+public:
+ RGWGetBucketReplication_ObjStore() {};
+ ~RGWGetBucketReplication_ObjStore() {};
+};
+
+class RGWPutBucketReplication_ObjStore: public RGWPutBucketReplication {
+public:
+ RGWPutBucketReplication_ObjStore() = default;
+ virtual ~RGWPutBucketReplication_ObjStore() = default;
+};
+
+class RGWDeleteBucketReplication_ObjStore: public RGWDeleteBucketReplication {
+public:
+ RGWDeleteBucketReplication_ObjStore() = default;
+ virtual ~RGWDeleteBucketReplication_ObjStore() = default;
+};
+
+class RGWListBuckets_ObjStore : public RGWListBuckets {
+public:
+ RGWListBuckets_ObjStore() {}
+ ~RGWListBuckets_ObjStore() override {}
+};
+
+class RGWGetUsage_ObjStore : public RGWGetUsage {
+public:
+ RGWGetUsage_ObjStore() {}
+ ~RGWGetUsage_ObjStore() override {}
+};
+
+class RGWListBucket_ObjStore : public RGWListBucket {
+public:
+ RGWListBucket_ObjStore() {}
+ ~RGWListBucket_ObjStore() override {}
+};
+
+class RGWStatAccount_ObjStore : public RGWStatAccount {
+public:
+ RGWStatAccount_ObjStore() {}
+ ~RGWStatAccount_ObjStore() override {}
+};
+
+class RGWStatBucket_ObjStore : public RGWStatBucket {
+public:
+ RGWStatBucket_ObjStore() {}
+ ~RGWStatBucket_ObjStore() override {}
+};
+
+class RGWCreateBucket_ObjStore : public RGWCreateBucket {
+public:
+ RGWCreateBucket_ObjStore() {}
+ ~RGWCreateBucket_ObjStore() override {}
+};
+
+class RGWDeleteBucket_ObjStore : public RGWDeleteBucket {
+public:
+ RGWDeleteBucket_ObjStore() {}
+ ~RGWDeleteBucket_ObjStore() override {}
+};
+
+class RGWPutObj_ObjStore : public RGWPutObj
+{
+public:
+ RGWPutObj_ObjStore() {}
+ ~RGWPutObj_ObjStore() override {}
+
+ int verify_params() override;
+ int get_params(optional_yield y) override;
+ int get_data(bufferlist& bl) override;
+};
+
+class RGWPostObj_ObjStore : public RGWPostObj
+{
+ std::string boundary;
+
+public:
+ struct post_part_field {
+ std::string val;
+ std::map<std::string, std::string> params;
+ };
+
+ struct post_form_part {
+ std::string name;
+ std::map<std::string, post_part_field, ltstr_nocase> fields;
+ ceph::bufferlist data;
+ };
+
+protected:
+ using parts_collection_t = \
+ std::map<std::string, post_form_part, const ltstr_nocase>;
+
+ std::string err_msg;
+ ceph::bufferlist in_data;
+
+ int read_with_boundary(ceph::bufferlist& bl,
+ uint64_t max,
+ bool check_eol,
+ bool& reached_boundary,
+ bool& done);
+
+ int read_line(ceph::bufferlist& bl,
+ uint64_t max,
+ bool& reached_boundary,
+ bool& done);
+
+ int read_data(ceph::bufferlist& bl,
+ uint64_t max,
+ bool& reached_boundary,
+ bool& done);
+
+ int read_form_part_header(struct post_form_part *part, bool& done);
+
+ int get_params(optional_yield y) override;
+
+ static int parse_part_field(const std::string& line,
+ std::string& field_name, /* out */
+ post_part_field& field); /* out */
+
+ static void parse_boundary_params(const std::string& params_str,
+ std::string& first,
+ std::map<std::string, std::string>& params);
+
+ static bool part_str(parts_collection_t& parts,
+ const std::string& name,
+ std::string *val);
+
+ static std::string get_part_str(parts_collection_t& parts,
+ const std::string& name,
+ const std::string& def_val = std::string());
+
+ static bool part_bl(parts_collection_t& parts,
+ const std::string& name,
+ ceph::bufferlist *pbl);
+
+public:
+ RGWPostObj_ObjStore() {}
+ ~RGWPostObj_ObjStore() override {}
+
+ int verify_params() override;
+};
+
+
+class RGWPutMetadataAccount_ObjStore : public RGWPutMetadataAccount
+{
+public:
+ RGWPutMetadataAccount_ObjStore() {}
+ ~RGWPutMetadataAccount_ObjStore() override {}
+};
+
+class RGWPutMetadataBucket_ObjStore : public RGWPutMetadataBucket
+{
+public:
+ RGWPutMetadataBucket_ObjStore() {}
+ ~RGWPutMetadataBucket_ObjStore() override {}
+};
+
+class RGWPutMetadataObject_ObjStore : public RGWPutMetadataObject
+{
+public:
+ RGWPutMetadataObject_ObjStore() {}
+ ~RGWPutMetadataObject_ObjStore() override {}
+};
+
+class RGWDeleteObj_ObjStore : public RGWDeleteObj {
+public:
+ RGWDeleteObj_ObjStore() {}
+ ~RGWDeleteObj_ObjStore() override {}
+};
+
+class RGWGetCrossDomainPolicy_ObjStore : public RGWGetCrossDomainPolicy {
+public:
+ RGWGetCrossDomainPolicy_ObjStore() = default;
+ ~RGWGetCrossDomainPolicy_ObjStore() override = default;
+};
+
+class RGWGetHealthCheck_ObjStore : public RGWGetHealthCheck {
+public:
+ RGWGetHealthCheck_ObjStore() = default;
+ ~RGWGetHealthCheck_ObjStore() override = default;
+};
+
+class RGWCopyObj_ObjStore : public RGWCopyObj {
+public:
+ RGWCopyObj_ObjStore() {}
+ ~RGWCopyObj_ObjStore() override {}
+};
+
+class RGWGetACLs_ObjStore : public RGWGetACLs {
+public:
+ RGWGetACLs_ObjStore() {}
+ ~RGWGetACLs_ObjStore() override {}
+};
+
+class RGWPutACLs_ObjStore : public RGWPutACLs {
+public:
+ RGWPutACLs_ObjStore() {}
+ ~RGWPutACLs_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWGetLC_ObjStore : public RGWGetLC {
+public:
+ RGWGetLC_ObjStore() {}
+ ~RGWGetLC_ObjStore() override {}
+};
+
+class RGWPutLC_ObjStore : public RGWPutLC {
+public:
+ RGWPutLC_ObjStore() {}
+ ~RGWPutLC_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWDeleteLC_ObjStore : public RGWDeleteLC {
+public:
+ RGWDeleteLC_ObjStore() {}
+ ~RGWDeleteLC_ObjStore() override {}
+
+};
+
+class RGWGetCORS_ObjStore : public RGWGetCORS {
+public:
+ RGWGetCORS_ObjStore() {}
+ ~RGWGetCORS_ObjStore() override {}
+};
+
+class RGWPutCORS_ObjStore : public RGWPutCORS {
+public:
+ RGWPutCORS_ObjStore() {}
+ ~RGWPutCORS_ObjStore() override {}
+};
+
+class RGWDeleteCORS_ObjStore : public RGWDeleteCORS {
+public:
+ RGWDeleteCORS_ObjStore() {}
+ ~RGWDeleteCORS_ObjStore() override {}
+};
+
+class RGWOptionsCORS_ObjStore : public RGWOptionsCORS {
+public:
+ RGWOptionsCORS_ObjStore() {}
+ ~RGWOptionsCORS_ObjStore() override {}
+};
+
+class RGWInitMultipart_ObjStore : public RGWInitMultipart {
+public:
+ RGWInitMultipart_ObjStore() {}
+ ~RGWInitMultipart_ObjStore() override {}
+};
+
+class RGWCompleteMultipart_ObjStore : public RGWCompleteMultipart {
+public:
+ RGWCompleteMultipart_ObjStore() {}
+ ~RGWCompleteMultipart_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWAbortMultipart_ObjStore : public RGWAbortMultipart {
+public:
+ RGWAbortMultipart_ObjStore() {}
+ ~RGWAbortMultipart_ObjStore() override {}
+};
+
+class RGWListMultipart_ObjStore : public RGWListMultipart {
+public:
+ RGWListMultipart_ObjStore() {}
+ ~RGWListMultipart_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWListBucketMultiparts_ObjStore : public RGWListBucketMultiparts {
+public:
+ RGWListBucketMultiparts_ObjStore() {}
+ ~RGWListBucketMultiparts_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWBulkDelete_ObjStore : public RGWBulkDelete {
+public:
+ RGWBulkDelete_ObjStore() {}
+ ~RGWBulkDelete_ObjStore() override {}
+};
+
+class RGWBulkUploadOp_ObjStore : public RGWBulkUploadOp {
+public:
+ RGWBulkUploadOp_ObjStore() = default;
+ ~RGWBulkUploadOp_ObjStore() = default;
+};
+
+class RGWDeleteMultiObj_ObjStore : public RGWDeleteMultiObj {
+public:
+ RGWDeleteMultiObj_ObjStore() {}
+ ~RGWDeleteMultiObj_ObjStore() override {}
+
+ int get_params(optional_yield y) override;
+};
+
+class RGWInfo_ObjStore : public RGWInfo {
+public:
+ RGWInfo_ObjStore() = default;
+ ~RGWInfo_ObjStore() override = default;
+};
+
+class RGWPutBucketObjectLock_ObjStore : public RGWPutBucketObjectLock {
+public:
+ RGWPutBucketObjectLock_ObjStore() = default;
+ ~RGWPutBucketObjectLock_ObjStore() = default;
+ int get_params(optional_yield y) override;
+};
+
+class RGWGetBucketObjectLock_ObjStore : public RGWGetBucketObjectLock {
+public:
+ RGWGetBucketObjectLock_ObjStore() = default;
+ ~RGWGetBucketObjectLock_ObjStore() override = default;
+};
+
+class RGWPutObjRetention_ObjStore : public RGWPutObjRetention {
+public:
+ RGWPutObjRetention_ObjStore() = default;
+ ~RGWPutObjRetention_ObjStore() override = default;
+};
+
+class RGWGetObjRetention_ObjStore : public RGWGetObjRetention {
+public:
+ RGWGetObjRetention_ObjStore() = default;
+ ~RGWGetObjRetention_ObjStore() = default;
+};
+
+class RGWPutObjLegalHold_ObjStore : public RGWPutObjLegalHold {
+public:
+ RGWPutObjLegalHold_ObjStore() = default;
+ ~RGWPutObjLegalHold_ObjStore() override = default;
+ int get_params(optional_yield y) override;
+};
+
+class RGWGetObjLegalHold_ObjStore : public RGWGetObjLegalHold {
+public:
+ RGWGetObjLegalHold_ObjStore() = default;
+ ~RGWGetObjLegalHold_ObjStore() = default;
+};
+
+class RGWRESTOp : public RGWOp {
+protected:
+ RGWRESTFlusher flusher;
+public:
+ void init(rgw::sal::RGWRadosStore *store, struct req_state *s,
+ RGWHandler *dialect_handler) override {
+ RGWOp::init(store, s, dialect_handler);
+ flusher.init(s, this);
+ }
+ void send_response() override;
+ virtual int check_caps(const RGWUserCaps& caps)
+ { return -EPERM; } /* should to be implemented! */
+ int verify_permission(optional_yield y) override;
+ dmc::client_id dmclock_client() override { return dmc::client_id::admin; }
+};
+
+class RGWHandler_REST : public RGWHandler {
+protected:
+
+ virtual bool is_obj_update_op() const { return false; }
+ virtual RGWOp *op_get() { return NULL; }
+ virtual RGWOp *op_put() { return NULL; }
+ virtual RGWOp *op_delete() { return NULL; }
+ virtual RGWOp *op_head() { return NULL; }
+ virtual RGWOp *op_post() { return NULL; }
+ virtual RGWOp *op_copy() { return NULL; }
+ virtual RGWOp *op_options() { return NULL; }
+
+public:
+ static int allocate_formatter(struct req_state *s, int default_formatter,
+ bool configurable);
+
+ static constexpr int MAX_BUCKET_NAME_LEN = 255;
+ static constexpr int MAX_OBJ_NAME_LEN = 1024;
+
+ RGWHandler_REST() {}
+ ~RGWHandler_REST() override {}
+
+ static int validate_bucket_name(const string& bucket);
+ static int validate_object_name(const string& object);
+ static int reallocate_formatter(struct req_state *s, int type);
+
+ int init_permissions(RGWOp* op, optional_yield y) override;
+ int read_permissions(RGWOp* op, optional_yield y) override;
+
+ virtual RGWOp* get_op(void);
+ virtual void put_op(RGWOp* op);
+};
+
+class RGWHandler_REST_SWIFT;
+class RGWHandler_SWIFT_Auth;
+class RGWHandler_REST_S3;
+
+namespace rgw::auth {
+
+class StrategyRegistry;
+
+}
+
+class RGWRESTMgr {
+ bool should_log;
+
+protected:
+ std::map<std::string, RGWRESTMgr*> resource_mgrs;
+ std::multimap<size_t, std::string> resources_by_size;
+ RGWRESTMgr* default_mgr;
+
+ virtual RGWRESTMgr* get_resource_mgr(struct req_state* s,
+ const std::string& uri,
+ std::string* out_uri);
+
+ virtual RGWRESTMgr* get_resource_mgr_as_default(struct req_state* const s,
+ const std::string& uri,
+ std::string* our_uri) {
+ return this;
+ }
+
+public:
+ RGWRESTMgr()
+ : should_log(false),
+ default_mgr(nullptr) {
+ }
+ virtual ~RGWRESTMgr();
+
+ void register_resource(std::string resource, RGWRESTMgr* mgr);
+ void register_default_mgr(RGWRESTMgr* mgr);
+
+ virtual RGWRESTMgr* get_manager(struct req_state* const s,
+ /* Prefix to be concatenated with @uri
+ * during the lookup. */
+ const std::string& frontend_prefix,
+ const std::string& uri,
+ std::string* out_uri) final {
+ return get_resource_mgr(s, frontend_prefix + uri, out_uri);
+ }
+
+ virtual RGWHandler_REST* get_handler(
+ rgw::sal::RGWRadosStore *store,
+ struct req_state* const s,
+ const rgw::auth::StrategyRegistry& auth_registry,
+ const std::string& frontend_prefix
+ ) {
+ return nullptr;
+ }
+
+ virtual void put_handler(RGWHandler_REST* const handler) {
+ delete handler;
+ }
+
+ void set_logging(bool _should_log) {
+ should_log = _should_log;
+ }
+
+ bool get_logging() const {
+ return should_log;
+ }
+};
+
+class RGWLibIO;
+class RGWRestfulIO;
+
+class RGWREST {
+ using x_header = basic_sstring<char, uint16_t, 32>;
+ boost::container::flat_set<x_header> x_headers;
+ RGWRESTMgr mgr;
+
+ static int preprocess(struct req_state *s, rgw::io::BasicClient* rio);
+public:
+ RGWREST() {}
+ RGWHandler_REST *get_handler(rgw::sal::RGWRadosStore *store,
+ struct req_state *s,
+ const rgw::auth::StrategyRegistry& auth_registry,
+ const std::string& frontend_prefix,
+ RGWRestfulIO *rio,
+ RGWRESTMgr **pmgr,
+ int *init_error);
+#if 0
+ RGWHandler *get_handler(RGWRados *store, struct req_state *s,
+ RGWLibIO *io, RGWRESTMgr **pmgr,
+ int *init_error);
+#endif
+
+ void put_handler(RGWHandler_REST *handler) {
+ mgr.put_handler(handler);
+ }
+
+ void register_resource(string resource, RGWRESTMgr *m,
+ bool register_empty = false) {
+ if (!register_empty && resource.empty())
+ return;
+
+ mgr.register_resource(resource, m);
+ }
+
+ void register_default_mgr(RGWRESTMgr *m) {
+ mgr.register_default_mgr(m);
+ }
+
+ void register_x_headers(const std::string& headers);
+
+ bool log_x_headers(void) {
+ return (x_headers.size() > 0);
+ }
+
+ bool log_x_header(const std::string& header) {
+ return (x_headers.find(header) != x_headers.end());
+ }
+};
+
+static constexpr int64_t NO_CONTENT_LENGTH = -1;
+static constexpr int64_t CHUNKED_TRANSFER_ENCODING = -2;
+
+extern void dump_errno(int http_ret, string& out);
+extern void dump_errno(const struct rgw_err &err, string& out);
+extern void dump_errno(struct req_state *s);
+extern void dump_errno(struct req_state *s, int http_ret);
+extern void end_header(struct req_state *s,
+ RGWOp* op = nullptr,
+ const char *content_type = nullptr,
+ const int64_t proposed_content_length =
+ NO_CONTENT_LENGTH,
+ bool force_content_type = false,
+ bool force_no_error = false);
+extern void dump_start(struct req_state *s);
+extern void list_all_buckets_start(struct req_state *s);
+extern void dump_owner(struct req_state *s, const rgw_user& id, string& name,
+ const char *section = NULL);
+extern void dump_header(struct req_state* s,
+ const std::string_view& name,
+ const std::string_view& val);
+extern void dump_header(struct req_state* s,
+ const std::string_view& name,
+ ceph::buffer::list& bl);
+extern void dump_header(struct req_state* s,
+ const std::string_view& name,
+ long long val);
+extern void dump_header(struct req_state* s,
+ const std::string_view& name,
+ const utime_t& val);
+
+template <class... Args>
+inline void dump_header_prefixed(struct req_state* s,
+ const std::string_view& name_prefix,
+ const std::string_view& name,
+ Args&&... args) {
+ char full_name_buf[name_prefix.size() + name.size() + 1];
+ const auto len = snprintf(full_name_buf, sizeof(full_name_buf), "%.*s%.*s",
+ static_cast<int>(name_prefix.length()),
+ name_prefix.data(),
+ static_cast<int>(name.length()),
+ name.data());
+ std::string_view full_name(full_name_buf, len);
+ return dump_header(s, std::move(full_name), std::forward<Args>(args)...);
+}
+
+template <class... Args>
+inline void dump_header_infixed(struct req_state* s,
+ const std::string_view& prefix,
+ const std::string_view& infix,
+ const std::string_view& sufix,
+ Args&&... args) {
+ char full_name_buf[prefix.size() + infix.size() + sufix.size() + 1];
+ const auto len = snprintf(full_name_buf, sizeof(full_name_buf), "%.*s%.*s%.*s",
+ static_cast<int>(prefix.length()),
+ prefix.data(),
+ static_cast<int>(infix.length()),
+ infix.data(),
+ static_cast<int>(sufix.length()),
+ sufix.data());
+ std::string_view full_name(full_name_buf, len);
+ return dump_header(s, std::move(full_name), std::forward<Args>(args)...);
+}
+
+template <class... Args>
+inline void dump_header_quoted(struct req_state* s,
+ const std::string_view& name,
+ const std::string_view& val) {
+ /* We need two extra bytes for quotes. */
+ char qvalbuf[val.size() + 2 + 1];
+ const auto len = snprintf(qvalbuf, sizeof(qvalbuf), "\"%.*s\"",
+ static_cast<int>(val.length()), val.data());
+ return dump_header(s, name, std::string_view(qvalbuf, len));
+}
+
+template <class ValueT>
+inline void dump_header_if_nonempty(struct req_state* s,
+ const std::string_view& name,
+ const ValueT& value) {
+ if (name.length() > 0 && value.length() > 0) {
+ return dump_header(s, name, value);
+ }
+}
+
+inline std::string compute_domain_uri(const struct req_state *s) {
+ std::string uri = (!s->info.domain.empty()) ? s->info.domain :
+ [&s]() -> std::string {
+ RGWEnv const &env(*(s->info.env));
+ std::string uri =
+ env.get("SERVER_PORT_SECURE") ? "https://" : "http://";
+ if (env.exists("SERVER_NAME")) {
+ uri.append(env.get("SERVER_NAME", "<SERVER_NAME>"));
+ } else {
+ uri.append(env.get("HTTP_HOST", "<HTTP_HOST>"));
+ }
+ return uri;
+ }();
+ return uri;
+}
+
+extern void dump_content_length(struct req_state *s, uint64_t len);
+extern int64_t parse_content_length(const char *content_length);
+extern void dump_etag(struct req_state *s,
+ const std::string_view& etag,
+ bool quoted = false);
+extern void dump_epoch_header(struct req_state *s, const char *name, real_time t);
+extern void dump_time_header(struct req_state *s, const char *name, real_time t);
+extern void dump_last_modified(struct req_state *s, real_time t);
+extern void abort_early(struct req_state* s, RGWOp* op, int err,
+ RGWHandler* handler, optional_yield y);
+extern void dump_range(struct req_state* s, uint64_t ofs, uint64_t end,
+ uint64_t total_size);
+extern void dump_continue(struct req_state *s);
+extern void list_all_buckets_end(struct req_state *s);
+extern void dump_time(struct req_state *s, const char *name, real_time *t);
+extern std::string dump_time_to_str(const real_time& t);
+extern void dump_bucket_from_state(struct req_state *s);
+extern void dump_redirect(struct req_state *s, const string& redirect);
+extern bool is_valid_url(const char *url);
+extern void dump_access_control(struct req_state *s, const char *origin,
+ const char *meth,
+ const char *hdr, const char *exp_hdr,
+ uint32_t max_age);
+extern void dump_access_control(req_state *s, RGWOp *op);
+
+extern int dump_body(struct req_state* s, const char* buf, size_t len);
+extern int dump_body(struct req_state* s, /* const */ ceph::buffer::list& bl);
+extern int dump_body(struct req_state* s, const std::string& str);
+extern int recv_body(struct req_state* s, char* buf, size_t max);