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-rw-r--r--src/rgw/rgw_lc_s3.cc353
1 files changed, 353 insertions, 0 deletions
diff --git a/src/rgw/rgw_lc_s3.cc b/src/rgw/rgw_lc_s3.cc
new file mode 100644
index 000000000..cf152b84a
--- /dev/null
+++ b/src/rgw/rgw_lc_s3.cc
@@ -0,0 +1,353 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#include <string.h>
+
+#include <iostream>
+#include <map>
+
+#include "include/types.h"
+
+#include "rgw_user.h"
+#include "rgw_lc_s3.h"
+
+
+#define dout_subsys ceph_subsys_rgw
+
+using namespace std;
+
+static bool check_date(const string& _date)
+{
+ boost::optional<ceph::real_time> date = ceph::from_iso_8601(_date);
+ if (boost::none == date) {
+ return false;
+ }
+ struct timespec time = ceph::real_clock::to_timespec(*date);
+ if (time.tv_sec % (24*60*60) || time.tv_nsec) {
+ return false;
+ }
+ return true;
+}
+
+void LCExpiration_S3::dump_xml(Formatter *f) const {
+ if (dm_expiration) {
+ encode_xml("ExpiredObjectDeleteMarker", "true", f);
+ } else if (!days.empty()) {
+ encode_xml("Days", days, f);
+ } else {
+ encode_xml("Date", date, f);
+ }
+}
+
+void LCExpiration_S3::decode_xml(XMLObj *obj)
+{
+ bool has_days = RGWXMLDecoder::decode_xml("Days", days, obj);
+ bool has_date = RGWXMLDecoder::decode_xml("Date", date, obj);
+ string dm;
+ bool has_dm = RGWXMLDecoder::decode_xml("ExpiredObjectDeleteMarker", dm, obj);
+
+ int num = !!has_days + !!has_date + !!has_dm;
+
+ if (num != 1) {
+ throw RGWXMLDecoder::err("bad Expiration section");
+ }
+
+ if (has_date && !check_date(date)) {
+ //We need return xml error according to S3
+ throw RGWXMLDecoder::err("bad date in Date section");
+ }
+
+ if (has_dm) {
+ dm_expiration = (dm == "true");
+ }
+}
+
+void LCNoncurExpiration_S3::decode_xml(XMLObj *obj)
+{
+ RGWXMLDecoder::decode_xml("NoncurrentDays", days, obj, true);
+}
+
+void LCNoncurExpiration_S3::dump_xml(Formatter *f) const
+{
+ encode_xml("NoncurrentDays", days, f);
+}
+
+void LCMPExpiration_S3::decode_xml(XMLObj *obj)
+{
+ RGWXMLDecoder::decode_xml("DaysAfterInitiation", days, obj, true);
+}
+
+void LCMPExpiration_S3::dump_xml(Formatter *f) const
+{
+ encode_xml("DaysAfterInitiation", days, f);
+}
+
+void RGWLifecycleConfiguration_S3::decode_xml(XMLObj *obj)
+{
+ if (!cct) {
+ throw RGWXMLDecoder::err("ERROR: RGWLifecycleConfiguration_S3 can't be decoded without cct initialized");
+ }
+ vector<LCRule_S3> rules;
+
+ RGWXMLDecoder::decode_xml("Rule", rules, obj, true);
+
+ for (auto& rule : rules) {
+ if (rule.get_id().empty()) {
+ // S3 generates a 48 bit random ID, maybe we could generate shorter IDs
+ static constexpr auto LC_ID_LENGTH = 48;
+ string id = gen_rand_alphanumeric_lower(cct, LC_ID_LENGTH);
+ rule.set_id(id);
+ }
+
+ add_rule(rule);
+ }
+
+ if (cct->_conf->rgw_lc_max_rules < rule_map.size()) {
+ stringstream ss;
+ ss << "Warn: The lifecycle config has too many rules, rule number is:"
+ << rule_map.size() << ", max number is:" << cct->_conf->rgw_lc_max_rules;
+ throw RGWXMLDecoder::err(ss.str());
+ }
+}
+
+void LCFilter_S3::dump_xml(Formatter *f) const
+{
+ bool multi = has_multi_condition();
+ if (multi) {
+ f->open_array_section("And");
+ }
+ if (has_prefix()) {
+ encode_xml("Prefix", prefix, f);
+ }
+ if (has_tags()) {
+ const auto& tagset_s3 = static_cast<const RGWObjTagSet_S3 &>(obj_tags);
+ tagset_s3.dump_xml(f);
+ }
+ if (has_flags()) {
+ if (have_flag(LCFlagType::ArchiveZone)) {
+ encode_xml("ArchiveZone", "", f);
+ }
+ }
+ if (multi) {
+ f->close_section(); // And
+ }
+}
+
+void LCFilter_S3::decode_xml(XMLObj *obj)
+{
+ /*
+ * The prior logic here looked for an And element, but did not
+ * structurally parse the Filter clause (and incorrectly rejected
+ * the base case where a Prefix and one Tag were supplied). It
+ * could not reject generally malformed Filter syntax.
+ *
+ * Empty filters are allowed:
+ * https://docs.aws.amazon.com/AmazonS3/latest/dev/intro-lifecycle-rules.html
+ */
+ XMLObj* o = obj->find_first("And");
+ if (o == nullptr){
+ o = obj;
+ }
+
+ RGWXMLDecoder::decode_xml("Prefix", prefix, o);
+
+ /* parse optional ArchiveZone flag (extension) */
+ if (o->find_first("ArchiveZone")) {
+ flags |= make_flag(LCFlagType::ArchiveZone);
+ }
+
+ obj_tags.clear(); // why is this needed?
+ auto tags_iter = o->find("Tag");
+ while (auto tag_xml = tags_iter.get_next()){
+ std::string _key,_val;
+ RGWXMLDecoder::decode_xml("Key", _key, tag_xml);
+ RGWXMLDecoder::decode_xml("Value", _val, tag_xml);
+ obj_tags.emplace_tag(std::move(_key), std::move(_val));
+ }
+}
+
+void LCTransition_S3::decode_xml(XMLObj *obj)
+{
+ bool has_days = RGWXMLDecoder::decode_xml("Days", days, obj);
+ bool has_date = RGWXMLDecoder::decode_xml("Date", date, obj);
+ if ((has_days && has_date) || (!has_days && !has_date)) {
+ throw RGWXMLDecoder::err("bad Transition section");
+ }
+
+ if (has_date && !check_date(date)) {
+ //We need return xml error according to S3
+ throw RGWXMLDecoder::err("bad Date in Transition section");
+ }
+
+ if (!RGWXMLDecoder::decode_xml("StorageClass", storage_class, obj)) {
+ throw RGWXMLDecoder::err("missing StorageClass in Transition section");
+ }
+}
+
+void LCTransition_S3::dump_xml(Formatter *f) const {
+ if (!days.empty()) {
+ encode_xml("Days", days, f);
+ } else {
+ encode_xml("Date", date, f);
+ }
+ encode_xml("StorageClass", storage_class, f);
+}
+
+void LCNoncurTransition_S3::decode_xml(XMLObj *obj)
+{
+ if (!RGWXMLDecoder::decode_xml("NoncurrentDays", days, obj)) {
+ throw RGWXMLDecoder::err("missing NoncurrentDays in NoncurrentVersionTransition section");
+ }
+ if (!RGWXMLDecoder::decode_xml("StorageClass", storage_class, obj)) {
+ throw RGWXMLDecoder::err("missing StorageClass in NoncurrentVersionTransition section");
+ }
+}
+
+void LCNoncurTransition_S3::dump_xml(Formatter *f) const
+{
+ encode_xml("NoncurrentDays", days, f);
+ encode_xml("StorageClass", storage_class, f);
+}
+
+void LCRule_S3::decode_xml(XMLObj *obj)
+{
+ id.clear();
+ prefix.clear();
+ status.clear();
+ dm_expiration = false;
+
+ RGWXMLDecoder::decode_xml("ID", id, obj);
+
+ LCFilter_S3 filter_s3;
+ if (!RGWXMLDecoder::decode_xml("Filter", filter_s3, obj)) {
+ // Ideally the following code should be deprecated and we should return
+ // False here, The new S3 LC configuration xml spec. makes Filter mandatory
+ // and Prefix optional. However older clients including boto2 still generate
+ // xml according to the older spec, where Prefix existed outside of Filter
+ // and S3 itself seems to be sloppy on enforcing the mandatory Filter
+ // argument. A day will come when S3 enforces their own xml-spec, but it is
+ // not this day
+
+ if (!RGWXMLDecoder::decode_xml("Prefix", prefix, obj)) {
+ throw RGWXMLDecoder::err("missing Prefix in Filter");
+ }
+ }
+ filter = (LCFilter)filter_s3;
+
+ if (!RGWXMLDecoder::decode_xml("Status", status, obj)) {
+ throw RGWXMLDecoder::err("missing Status in Filter");
+ }
+ if (status.compare("Enabled") != 0 && status.compare("Disabled") != 0) {
+ throw RGWXMLDecoder::err("bad Status in Filter");
+ }
+
+ LCExpiration_S3 s3_expiration;
+ LCNoncurExpiration_S3 s3_noncur_expiration;
+ LCMPExpiration_S3 s3_mp_expiration;
+ LCFilter_S3 s3_filter;
+
+ bool has_expiration = RGWXMLDecoder::decode_xml("Expiration", s3_expiration, obj);
+ bool has_noncur_expiration = RGWXMLDecoder::decode_xml("NoncurrentVersionExpiration", s3_noncur_expiration, obj);
+ bool has_mp_expiration = RGWXMLDecoder::decode_xml("AbortIncompleteMultipartUpload", s3_mp_expiration, obj);
+
+ vector<LCTransition_S3> transitions;
+ vector<LCNoncurTransition_S3> noncur_transitions;
+
+ bool has_transition = RGWXMLDecoder::decode_xml("Transition", transitions, obj);
+ bool has_noncur_transition = RGWXMLDecoder::decode_xml("NoncurrentVersionTransition", noncur_transitions, obj);
+
+ if (!has_expiration &&
+ !has_noncur_expiration &&
+ !has_mp_expiration &&
+ !has_transition &&
+ !has_noncur_transition) {
+ throw RGWXMLDecoder::err("bad Rule");
+ }
+
+ if (has_expiration) {
+ if (s3_expiration.has_days() ||
+ s3_expiration.has_date()) {
+ expiration = s3_expiration;
+ } else {
+ dm_expiration = s3_expiration.get_dm_expiration();
+ }
+ }
+ if (has_noncur_expiration) {
+ noncur_expiration = s3_noncur_expiration;
+ }
+ if (has_mp_expiration) {
+ mp_expiration = s3_mp_expiration;
+ }
+ for (auto& t : transitions) {
+ if (!add_transition(t)) {
+ throw RGWXMLDecoder::err("Failed to add transition");
+ }
+ }
+ for (auto& t : noncur_transitions) {
+ if (!add_noncur_transition(t)) {
+ throw RGWXMLDecoder::err("Failed to add non-current version transition");
+ }
+ }
+}
+
+void LCRule_S3::dump_xml(Formatter *f) const {
+ encode_xml("ID", id, f);
+ // In case of an empty filter and an empty Prefix, we defer to Prefix.
+ if (!filter.empty()) {
+ const LCFilter_S3& lc_filter = static_cast<const LCFilter_S3&>(filter);
+ encode_xml("Filter", lc_filter, f);
+ } else {
+ encode_xml("Prefix", prefix, f);
+ }
+ encode_xml("Status", status, f);
+ if (!expiration.empty() || dm_expiration) {
+ LCExpiration_S3 expir(expiration.get_days_str(), expiration.get_date(), dm_expiration);
+ encode_xml("Expiration", expir, f);
+ }
+ if (!noncur_expiration.empty()) {
+ const LCNoncurExpiration_S3& noncur_expir = static_cast<const LCNoncurExpiration_S3&>(noncur_expiration);
+ encode_xml("NoncurrentVersionExpiration", noncur_expir, f);
+ }
+ if (!mp_expiration.empty()) {
+ const LCMPExpiration_S3& mp_expir = static_cast<const LCMPExpiration_S3&>(mp_expiration);
+ encode_xml("AbortIncompleteMultipartUpload", mp_expir, f);
+ }
+ if (!transitions.empty()) {
+ for (auto &elem : transitions) {
+ const LCTransition_S3& tran = static_cast<const LCTransition_S3&>(elem.second);
+ encode_xml("Transition", tran, f);
+ }
+ }
+ if (!noncur_transitions.empty()) {
+ for (auto &elem : noncur_transitions) {
+ const LCNoncurTransition_S3& noncur_tran = static_cast<const LCNoncurTransition_S3&>(elem.second);
+ encode_xml("NoncurrentVersionTransition", noncur_tran, f);
+ }
+ }
+}
+
+int RGWLifecycleConfiguration_S3::rebuild(RGWLifecycleConfiguration& dest)
+{
+ int ret = 0;
+ multimap<string, LCRule>::iterator iter;
+ for (iter = rule_map.begin(); iter != rule_map.end(); ++iter) {
+ LCRule& src_rule = iter->second;
+ ret = dest.check_and_add_rule(src_rule);
+ if (ret < 0)
+ return ret;
+ }
+ if (!dest.valid()) {
+ ret = -ERR_INVALID_REQUEST;
+ }
+ return ret;
+}
+
+
+void RGWLifecycleConfiguration_S3::dump_xml(Formatter *f) const
+{
+ for (auto iter = rule_map.begin(); iter != rule_map.end(); ++iter) {
+ const LCRule_S3& rule = static_cast<const LCRule_S3&>(iter->second);
+ encode_xml("Rule", rule, f);
+ }
+}
+