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Diffstat (limited to 'src/rgw/rgw_website.cc')
| -rw-r--r-- | src/rgw/rgw_website.cc | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/src/rgw/rgw_website.cc b/src/rgw/rgw_website.cc new file mode 100644 index 000000000..0b68fc170 --- /dev/null +++ b/src/rgw/rgw_website.cc @@ -0,0 +1,341 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab ft=cpp + +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2015 Yehuda Sadeh <yehuda@redhat.com> + * Copyright (C) 2015 Robin H. Johnson <robin.johnson@dreamhost.com> + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#include "common/debug.h" + +#include "common/ceph_json.h" +#include "common/Formatter.h" + +#include "acconfig.h" + +#include <errno.h> +#include <string> +#include <list> +#include "include/types.h" +#include "rgw_website.h" +#include "rgw_common.h" +#include "rgw_xml.h" + +using namespace std; + +bool RGWBWRoutingRuleCondition::check_key_condition(const string& key) { + return (key.size() >= key_prefix_equals.size() && + key.compare(0, key_prefix_equals.size(), key_prefix_equals) == 0); +} + + +void RGWBWRoutingRule::apply_rule(const string& default_protocol, const string& default_hostname, + const string& key, string *new_url, int *redirect_code) +{ + RGWRedirectInfo& redirect = redirect_info.redirect; + + string protocol = (!redirect.protocol.empty() ? redirect.protocol : default_protocol); + string hostname = (!redirect.hostname.empty() ? redirect.hostname : default_hostname); + + *new_url = protocol + "://" + hostname + "/"; + + if (!redirect_info.replace_key_prefix_with.empty()) { + *new_url += redirect_info.replace_key_prefix_with; + if (key.size() > condition.key_prefix_equals.size()) { + *new_url += key.substr(condition.key_prefix_equals.size()); + } + } else if (!redirect_info.replace_key_with.empty()) { + *new_url += redirect_info.replace_key_with; + } else { + *new_url += key; + } + + if(redirect.http_redirect_code > 0) + *redirect_code = redirect.http_redirect_code; +} + +bool RGWBWRoutingRules::check_key_and_error_code_condition(const string &key, int error_code, RGWBWRoutingRule **rule) +{ + for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) { + if (iter->check_key_condition(key) && iter->check_error_code_condition(error_code)) { + *rule = &(*iter); + return true; + } + } + return false; +} + +bool RGWBWRoutingRules::check_key_condition(const string& key, RGWBWRoutingRule **rule) +{ + for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) { + if (iter->check_key_condition(key)) { + *rule = &(*iter); + return true; + } + } + return false; +} + +bool RGWBWRoutingRules::check_error_code_condition(const int http_error_code, RGWBWRoutingRule **rule) +{ + for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) { + if (iter->check_error_code_condition(http_error_code)) { + *rule = &(*iter); + return true; + } + } + return false; +} + +bool RGWBucketWebsiteConf::should_redirect(const string& key, const int http_error_code, RGWBWRoutingRule *redirect) +{ + RGWBWRoutingRule *rule; + if(!redirect_all.hostname.empty()) { + RGWBWRoutingRule redirect_all_rule; + redirect_all_rule.redirect_info.redirect = redirect_all; + redirect_all.http_redirect_code = 301; + *redirect = redirect_all_rule; + return true; + } else if (!routing_rules.check_key_and_error_code_condition(key, http_error_code, &rule)) { + return false; + } + + *redirect = *rule; + + return true; +} + +bool RGWBucketWebsiteConf::get_effective_key(const string& key, string *effective_key, bool is_file) const +{ + if (index_doc_suffix.empty()) { + return false; + } + + if (key.empty()) { + *effective_key = index_doc_suffix; + } else if (key[key.size() - 1] == '/') { + *effective_key = key + index_doc_suffix; + } else if (! is_file) { + *effective_key = key + "/" + index_doc_suffix; + } else { + *effective_key = key; + } + + return true; +} + +void RGWRedirectInfo::dump(Formatter *f) const +{ + encode_json("protocol", protocol, f); + encode_json("hostname", hostname, f); + encode_json("http_redirect_code", (int)http_redirect_code, f); +} + +void RGWRedirectInfo::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("protocol", protocol, obj); + JSONDecoder::decode_json("hostname", hostname, obj); + int code; + JSONDecoder::decode_json("http_redirect_code", code, obj); + http_redirect_code = code; +} + +void RGWBWRedirectInfo::dump(Formatter *f) const +{ + encode_json("redirect", redirect, f); + encode_json("replace_key_prefix_with", replace_key_prefix_with, f); + encode_json("replace_key_with", replace_key_with, f); +} + +void RGWBWRedirectInfo::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("redirect", redirect, obj); + JSONDecoder::decode_json("replace_key_prefix_with", replace_key_prefix_with, obj); + JSONDecoder::decode_json("replace_key_with", replace_key_with, obj); +} + +void RGWBWRoutingRuleCondition::dump(Formatter *f) const +{ + encode_json("key_prefix_equals", key_prefix_equals, f); + encode_json("http_error_code_returned_equals", (int)http_error_code_returned_equals, f); +} + +void RGWBWRoutingRuleCondition::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("key_prefix_equals", key_prefix_equals, obj); + int code; + JSONDecoder::decode_json("http_error_code_returned_equals", code, obj); + http_error_code_returned_equals = code; +} + +void RGWBWRoutingRule::dump(Formatter *f) const +{ + encode_json("condition", condition, f); + encode_json("redirect_info", redirect_info, f); +} + +void RGWBWRoutingRule::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("condition", condition, obj); + JSONDecoder::decode_json("redirect_info", redirect_info, obj); +} + +void RGWBWRoutingRules::dump(Formatter *f) const +{ + encode_json("rules", rules, f); +} + +void RGWBWRoutingRules::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("rules", rules, obj); +} + +void RGWBucketWebsiteConf::dump(Formatter *f) const +{ + if (!redirect_all.hostname.empty()) { + encode_json("redirect_all", redirect_all, f); + } else { + encode_json("index_doc_suffix", index_doc_suffix, f); + encode_json("error_doc", error_doc, f); + encode_json("routing_rules", routing_rules, f); + } +} + +void RGWBucketWebsiteConf::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("redirect_all", redirect_all, obj); + JSONDecoder::decode_json("index_doc_suffix", index_doc_suffix, obj); + JSONDecoder::decode_json("error_doc", error_doc, obj); + JSONDecoder::decode_json("routing_rules", routing_rules, obj); +} + +void RGWBWRedirectInfo::dump_xml(Formatter *f) const +{ + if (!redirect.protocol.empty()) { + encode_xml("Protocol", redirect.protocol, f); + } + if (!redirect.hostname.empty()) { + encode_xml("HostName", redirect.hostname, f); + } + if (redirect.http_redirect_code > 0) { + encode_xml("HttpRedirectCode", (int)redirect.http_redirect_code, f); + } + if (!replace_key_prefix_with.empty()) { + encode_xml("ReplaceKeyPrefixWith", replace_key_prefix_with, f); + } + if (!replace_key_with.empty()) { + encode_xml("ReplaceKeyWith", replace_key_with, f); + } +} + +#define WEBSITE_HTTP_REDIRECT_CODE_MIN 300 +#define WEBSITE_HTTP_REDIRECT_CODE_MAX 400 +void RGWBWRedirectInfo::decode_xml(XMLObj *obj) { + RGWXMLDecoder::decode_xml("Protocol", redirect.protocol, obj); + RGWXMLDecoder::decode_xml("HostName", redirect.hostname, obj); + int code = 0; + bool has_http_redirect_code = RGWXMLDecoder::decode_xml("HttpRedirectCode", code, obj); + if (has_http_redirect_code && + !(code > WEBSITE_HTTP_REDIRECT_CODE_MIN && + code < WEBSITE_HTTP_REDIRECT_CODE_MAX)) { + throw RGWXMLDecoder::err("The provided HTTP redirect code is not valid. Valid codes are 3XX except 300."); + } + redirect.http_redirect_code = code; + bool has_replace_key_prefix_with = RGWXMLDecoder::decode_xml("ReplaceKeyPrefixWith", replace_key_prefix_with, obj); + bool has_replace_key_with = RGWXMLDecoder::decode_xml("ReplaceKeyWith", replace_key_with, obj); + if (has_replace_key_prefix_with && has_replace_key_with) { + throw RGWXMLDecoder::err("You can only define ReplaceKeyPrefix or ReplaceKey but not both."); + } +} + +void RGWBWRoutingRuleCondition::dump_xml(Formatter *f) const +{ + if (!key_prefix_equals.empty()) { + encode_xml("KeyPrefixEquals", key_prefix_equals, f); + } + if (http_error_code_returned_equals > 0) { + encode_xml("HttpErrorCodeReturnedEquals", (int)http_error_code_returned_equals, f); + } +} + +#define WEBSITE_HTTP_ERROR_CODE_RETURNED_EQUALS_MIN 400 +#define WEBSITE_HTTP_ERROR_CODE_RETURNED_EQUALS_MAX 600 +void RGWBWRoutingRuleCondition::decode_xml(XMLObj *obj) { + RGWXMLDecoder::decode_xml("KeyPrefixEquals", key_prefix_equals, obj); + int code = 0; + bool has_http_error_code_returned_equals = RGWXMLDecoder::decode_xml("HttpErrorCodeReturnedEquals", code, obj); + if (has_http_error_code_returned_equals && + !(code >= WEBSITE_HTTP_ERROR_CODE_RETURNED_EQUALS_MIN && + code < WEBSITE_HTTP_ERROR_CODE_RETURNED_EQUALS_MAX)) { + throw RGWXMLDecoder::err("The provided HTTP redirect code is not valid. Valid codes are 4XX or 5XX."); + } + http_error_code_returned_equals = code; +} + +void RGWBWRoutingRule::dump_xml(Formatter *f) const +{ + encode_xml("Condition", condition, f); + encode_xml("Redirect", redirect_info, f); +} + +void RGWBWRoutingRule::decode_xml(XMLObj *obj) { + RGWXMLDecoder::decode_xml("Condition", condition, obj); + RGWXMLDecoder::decode_xml("Redirect", redirect_info, obj); +} + +static void encode_xml(const char *name, const std::list<RGWBWRoutingRule>& l, ceph::Formatter *f) +{ + do_encode_xml("RoutingRules", l, "RoutingRule", f); +} + +void RGWBucketWebsiteConf::dump_xml(Formatter *f) const +{ + if (!redirect_all.hostname.empty()) { + f->open_object_section("RedirectAllRequestsTo"); + encode_xml("HostName", redirect_all.hostname, f); + if (!redirect_all.protocol.empty()) { + encode_xml("Protocol", redirect_all.protocol, f); + } + f->close_section(); + } + if (!index_doc_suffix.empty()) { + f->open_object_section("IndexDocument"); + encode_xml("Suffix", index_doc_suffix, f); + f->close_section(); + } + if (!error_doc.empty()) { + f->open_object_section("ErrorDocument"); + encode_xml("Key", error_doc, f); + f->close_section(); + } + if (!routing_rules.rules.empty()) { + encode_xml("RoutingRules", routing_rules.rules, f); + } +} + +void decode_xml_obj(list<RGWBWRoutingRule>& l, XMLObj *obj) +{ + do_decode_xml_obj(l, "RoutingRule", obj); +} + +void RGWBucketWebsiteConf::decode_xml(XMLObj *obj) { + XMLObj *o = obj->find_first("RedirectAllRequestsTo"); + if (o) { + is_redirect_all = true; + RGWXMLDecoder::decode_xml("HostName", redirect_all.hostname, o, true); + RGWXMLDecoder::decode_xml("Protocol", redirect_all.protocol, o); + } else { + o = obj->find_first("IndexDocument"); + if (o) { + is_set_index_doc = true; + RGWXMLDecoder::decode_xml("Suffix", index_doc_suffix, o); + } + o = obj->find_first("ErrorDocument"); + if (o) { + RGWXMLDecoder::decode_xml("Key", error_doc, o); + } + RGWXMLDecoder::decode_xml("RoutingRules", routing_rules.rules, obj); + } +} |