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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "google_apis/gaia/oauth2_mint_token_fetcher.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/json/json_reader.h" | |
| 11 #include "base/string_util.h" | |
| 12 #include "base/stringprintf.h" | |
| 13 #include "base/values.h" | |
| 14 #include "google_apis/gaia/gaia_urls.h" | |
| 15 #include "google_apis/gaia/google_service_auth_error.h" | |
| 16 #include "net/base/escape.h" | |
| 17 #include "net/base/load_flags.h" | |
| 18 #include "net/http/http_status_code.h" | |
| 19 #include "net/url_request/url_fetcher.h" | |
| 20 #include "net/url_request/url_request_context_getter.h" | |
| 21 #include "net/url_request/url_request_status.h" | |
| 22 | |
| 23 using net::URLFetcher; | |
| 24 using net::URLFetcherDelegate; | |
| 25 using net::ResponseCookies; | |
| 26 using net::URLRequestContextGetter; | |
| 27 using net::URLRequestStatus; | |
| 28 | |
| 29 namespace { | |
| 30 static const char kAuthorizationHeaderFormat[] = | |
| 31 "Authorization: Bearer %s"; | |
| 32 static const char kOAuth2IssueTokenBodyFormat[] = | |
| 33 "force=true" | |
| 34 "&response_type=token" | |
| 35 "&scope=%s" | |
| 36 "&client_id=%s" | |
| 37 "&origin=%s"; | |
| 38 static const char kAccessTokenKey[] = "token"; | |
| 39 | |
| 40 static GoogleServiceAuthError CreateAuthError(URLRequestStatus status) { | |
| 41 CHECK(!status.is_success()); | |
| 42 if (status.status() == URLRequestStatus::CANCELED) { | |
| 43 return GoogleServiceAuthError(GoogleServiceAuthError::REQUEST_CANCELED); | |
| 44 } else { | |
| 45 DLOG(WARNING) << "Could not reach Google Accounts servers: errno " | |
| 46 << status.error(); | |
| 47 return GoogleServiceAuthError::FromConnectionError(status.error()); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 static URLFetcher* CreateFetcher(URLRequestContextGetter* getter, | |
| 52 const GURL& url, | |
| 53 const std::string& headers, | |
| 54 const std::string& body, | |
| 55 URLFetcherDelegate* delegate) { | |
| 56 bool empty_body = body.empty(); | |
| 57 URLFetcher* result = net::URLFetcher::Create( | |
| 58 0, url, | |
| 59 empty_body ? URLFetcher::GET : URLFetcher::POST, | |
| 60 delegate); | |
| 61 | |
| 62 result->SetRequestContext(getter); | |
| 63 result->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES | | |
| 64 net::LOAD_DO_NOT_SAVE_COOKIES); | |
| 65 // Fetchers are sometimes cancelled because a network change was detected, | |
| 66 // especially at startup and after sign-in on ChromeOS. Retrying once should | |
| 67 // be enough in those cases; let the fetcher retry up to 3 times just in case. | |
| 68 // http://crbug.com/163710 | |
| 69 result->SetAutomaticallyRetryOnNetworkChanges(3); | |
| 70 | |
| 71 if (!empty_body) | |
| 72 result->SetUploadData("application/x-www-form-urlencoded", body); | |
| 73 if (!headers.empty()) | |
| 74 result->SetExtraRequestHeaders(headers); | |
| 75 | |
| 76 return result; | |
| 77 } | |
| 78 } // namespace | |
| 79 | |
| 80 OAuth2MintTokenFetcher::OAuth2MintTokenFetcher( | |
| 81 OAuth2MintTokenConsumer* consumer, | |
| 82 URLRequestContextGetter* getter, | |
| 83 const std::string& source) | |
| 84 : consumer_(consumer), | |
| 85 getter_(getter), | |
| 86 source_(source), | |
| 87 state_(INITIAL) { } | |
| 88 | |
| 89 OAuth2MintTokenFetcher::~OAuth2MintTokenFetcher() { } | |
| 90 | |
| 91 void OAuth2MintTokenFetcher::CancelRequest() { | |
| 92 fetcher_.reset(); | |
| 93 } | |
| 94 | |
| 95 void OAuth2MintTokenFetcher::Start(const std::string& oauth_login_access_token, | |
| 96 const std::string& client_id, | |
| 97 const std::vector<std::string>& scopes, | |
| 98 const std::string& origin) { | |
| 99 oauth_login_access_token_ = oauth_login_access_token; | |
| 100 client_id_ = client_id; | |
| 101 scopes_ = scopes; | |
| 102 origin_ = origin; | |
| 103 StartMintToken(); | |
| 104 } | |
| 105 | |
| 106 void OAuth2MintTokenFetcher::StartMintToken() { | |
| 107 CHECK_EQ(INITIAL, state_); | |
| 108 state_ = MINT_TOKEN_STARTED; | |
| 109 fetcher_.reset(CreateFetcher( | |
| 110 getter_, | |
| 111 MakeMintTokenUrl(), | |
| 112 MakeMintTokenHeader(oauth_login_access_token_), | |
| 113 MakeMintTokenBody(client_id_, scopes_, origin_), | |
| 114 this)); | |
| 115 fetcher_->Start(); // OnURLFetchComplete will be called. | |
| 116 } | |
| 117 | |
| 118 void OAuth2MintTokenFetcher::EndMintToken(const net::URLFetcher* source) { | |
| 119 CHECK_EQ(MINT_TOKEN_STARTED, state_); | |
| 120 state_ = MINT_TOKEN_DONE; | |
| 121 | |
| 122 URLRequestStatus status = source->GetStatus(); | |
| 123 if (!status.is_success()) { | |
| 124 OnMintTokenFailure(CreateAuthError(status)); | |
| 125 return; | |
| 126 } | |
| 127 | |
| 128 if (source->GetResponseCode() != net::HTTP_OK) { | |
| 129 OnMintTokenFailure(GoogleServiceAuthError( | |
| 130 GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS)); | |
| 131 return; | |
| 132 } | |
| 133 | |
| 134 // The request was successfully fetched and it returned OK. | |
| 135 // Parse out the access token. | |
| 136 std::string access_token; | |
| 137 ParseMintTokenResponse(source, &access_token); | |
| 138 OnMintTokenSuccess(access_token); | |
| 139 } | |
| 140 | |
| 141 void OAuth2MintTokenFetcher::OnMintTokenSuccess( | |
| 142 const std::string& access_token) { | |
| 143 consumer_->OnMintTokenSuccess(access_token); | |
| 144 } | |
| 145 | |
| 146 void OAuth2MintTokenFetcher::OnMintTokenFailure( | |
| 147 const GoogleServiceAuthError& error) { | |
| 148 state_ = ERROR_STATE; | |
| 149 consumer_->OnMintTokenFailure(error); | |
| 150 } | |
| 151 | |
| 152 void OAuth2MintTokenFetcher::OnURLFetchComplete(const net::URLFetcher* source) { | |
| 153 CHECK(source); | |
| 154 CHECK_EQ(MINT_TOKEN_STARTED, state_); | |
| 155 EndMintToken(source); | |
| 156 } | |
| 157 | |
| 158 // static | |
| 159 GURL OAuth2MintTokenFetcher::MakeMintTokenUrl() { | |
| 160 return GURL(GaiaUrls::GetInstance()->oauth2_issue_token_url()); | |
| 161 } | |
| 162 | |
| 163 // static | |
| 164 std::string OAuth2MintTokenFetcher::MakeMintTokenHeader( | |
| 165 const std::string& access_token) { | |
| 166 return base::StringPrintf(kAuthorizationHeaderFormat, access_token.c_str()); | |
| 167 } | |
| 168 | |
| 169 // static | |
| 170 std::string OAuth2MintTokenFetcher::MakeMintTokenBody( | |
| 171 const std::string& client_id, | |
| 172 const std::vector<std::string>& scopes, | |
| 173 const std::string& origin) { | |
| 174 return base::StringPrintf( | |
| 175 kOAuth2IssueTokenBodyFormat, | |
| 176 net::EscapeUrlEncodedData(JoinString(scopes, ','), true).c_str(), | |
| 177 net::EscapeUrlEncodedData(client_id, true).c_str(), | |
| 178 net::EscapeUrlEncodedData(origin, true).c_str()); | |
| 179 } | |
| 180 | |
| 181 // static | |
| 182 bool OAuth2MintTokenFetcher::ParseMintTokenResponse( | |
| 183 const net::URLFetcher* source, | |
| 184 std::string* access_token) { | |
| 185 CHECK(source); | |
| 186 CHECK(access_token); | |
| 187 std::string data; | |
| 188 source->GetResponseAsString(&data); | |
| 189 scoped_ptr<base::Value> value(base::JSONReader::Read(data)); | |
| 190 if (!value.get() || value->GetType() != base::Value::TYPE_DICTIONARY) | |
| 191 return false; | |
| 192 | |
| 193 DictionaryValue* dict = static_cast<DictionaryValue*>(value.get()); | |
| 194 return dict->GetString(kAccessTokenKey, access_token); | |
| 195 } | |
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Chromium Code Reviews
Issue 12755010:
Remove unused code in google_apis/gaia (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src