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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Defines the Chrome Extensions Clear API functions, which entail | 5 // Defines the Chrome Extensions Clear API functions, which entail |
| 6 // clearing browsing data, and clearing the browser's cache (which, let's be | 6 // clearing browsing data, and clearing the browser's cache (which, let's be |
| 7 // honest, are the same thing), as specified in the extension API JSON. | 7 // honest, are the same thing), as specified in the extension API JSON. |
| 8 | 8 |
| 9 #include "chrome/browser/extensions/extension_clear_api.h" | 9 #include "chrome/browser/extensions/extension_clear_api.h" |
| 10 | 10 |
| 11 #include <string> | 11 #include <string> |
| 12 | 12 |
| 13 #include "base/values.h" | 13 #include "base/values.h" |
| 14 #include "chrome/browser/browsing_data_remover.h" | 14 #include "chrome/browser/browsing_data_remover.h" |
| 15 #include "chrome/browser/extensions/extension_clear_api_constants.h" |
| 15 #include "chrome/browser/plugin_data_remover_helper.h" | 16 #include "chrome/browser/plugin_data_remover_helper.h" |
| 16 #include "chrome/browser/plugin_prefs.h" | 17 #include "chrome/browser/plugin_prefs.h" |
| 17 #include "chrome/browser/profiles/profile.h" | 18 #include "chrome/browser/profiles/profile.h" |
| 18 #include "chrome/browser/ui/browser_list.h" | 19 #include "chrome/browser/ui/browser_list.h" |
| 19 #include "chrome/common/extensions/extension.h" | 20 #include "chrome/common/extensions/extension.h" |
| 20 #include "chrome/common/extensions/extension_error_utils.h" | 21 #include "chrome/common/extensions/extension_error_utils.h" |
| 21 #include "content/public/browser/browser_thread.h" | 22 #include "content/public/browser/browser_thread.h" |
| 22 | 23 |
| 23 using content::BrowserThread; | 24 using content::BrowserThread; |
| 24 | 25 |
| 25 namespace extension_clear_api_constants { | 26 namespace keys = extension_clear_api_constants; |
| 26 | |
| 27 // Keys. | |
| 28 const char kAppCacheKey[] = "appcache"; | |
| 29 const char kCacheKey[] = "cache"; | |
| 30 const char kCookiesKey[] = "cookies"; | |
| 31 const char kDownloadsKey[] = "downloads"; | |
| 32 const char kFileSystemsKey[] = "fileSystems"; | |
| 33 const char kFormDataKey[] = "formData"; | |
| 34 const char kHistoryKey[] = "history"; | |
| 35 const char kIndexedDBKey[] = "indexedDB"; | |
| 36 const char kPluginDataKey[] = "pluginData"; | |
| 37 const char kLocalStorageKey[] = "localStorage"; | |
| 38 const char kPasswordsKey[] = "passwords"; | |
| 39 const char kWebSQLKey[] = "webSQL"; | |
| 40 | |
| 41 // Errors! | |
| 42 const char kOneAtATimeError[] = "Only one 'clear' API call can run at a time."; | |
| 43 | |
| 44 } // namespace extension_clear_api_constants | |
| 45 | 27 |
| 46 namespace { | 28 namespace { |
| 47 // Converts the JavaScript API's numeric input (miliseconds since epoch) into an | 29 |
| 48 // appropriate base::Time that we can pass into the BrowsingDataRemove. | 30 // Converts the JavaScript API's string input ("last_week") into the |
| 49 bool ParseTimeFromValue(const double& ms_since_epoch, base::Time* time) { | 31 // appropriate BrowsingDataRemover::TimePeriod (in this case, |
| 32 // BrowsingDataRemover::LAST_WEEK). |
| 33 bool ParseTimePeriod(const std::string& parse, |
| 34 BrowsingDataRemover::TimePeriod* period) { |
| 35 if (parse == keys::kHourEnum) |
| 36 *period = BrowsingDataRemover::LAST_HOUR; |
| 37 else if (parse == keys::kDayEnum) |
| 38 *period = BrowsingDataRemover::LAST_DAY; |
| 39 else if (parse == keys::kWeekEnum) |
| 40 *period = BrowsingDataRemover::LAST_WEEK; |
| 41 else if (parse == keys::kMonthEnum) |
| 42 *period = BrowsingDataRemover::FOUR_WEEKS; |
| 43 else if (parse == keys::kEverythingEnum) |
| 44 *period = BrowsingDataRemover::EVERYTHING; |
| 45 else |
| 46 return false; |
| 47 |
| 50 return true; | 48 return true; |
| 51 } | 49 } |
| 52 | 50 |
| 53 // Given a DictionaryValue |dict|, returns either the value stored as |key|, or | 51 // Given a DictionaryValue |dict|, returns either the value stored as |key|, or |
| 54 // false, if the given key doesn't exist in the dictionary. | 52 // false, if the given key doesn't exist in the dictionary. |
| 55 bool DataRemovalRequested(base::DictionaryValue* dict, std::string key) { | 53 bool DataRemovalRequested(base::DictionaryValue* dict, std::string key) { |
| 56 bool value = false; | 54 bool value = false; |
| 57 if (!dict->GetBoolean(key, &value)) | 55 if (!dict->GetBoolean(key, &value)) |
| 58 return false; | 56 return false; |
| 59 else | 57 else |
| 60 return value; | 58 return value; |
| 61 } | 59 } |
| 62 | 60 |
| 63 // Convert the JavaScript API's object input ({ cookies: true }) into the | 61 // Convert the JavaScript API's object input ({ cookies: true }) into the |
| 64 // appropriate removal mask for the BrowsingDataRemover object. | 62 // appropriate removal mask for the BrowsingDataRemover object. |
| 65 int ParseRemovalMask(base::DictionaryValue* value) { | 63 int ParseRemovalMask(base::DictionaryValue* value) { |
| 66 int GetRemovalMask = 0; | 64 int GetRemovalMask = 0; |
| 67 if (DataRemovalRequested(value, extension_clear_api_constants::kAppCacheKey)) | 65 if (DataRemovalRequested(value, keys::kCacheKey)) |
| 68 GetRemovalMask |= BrowsingDataRemover::REMOVE_APPCACHE; | |
| 69 if (DataRemovalRequested(value, extension_clear_api_constants::kCacheKey)) | |
| 70 GetRemovalMask |= BrowsingDataRemover::REMOVE_CACHE; | 66 GetRemovalMask |= BrowsingDataRemover::REMOVE_CACHE; |
| 71 if (DataRemovalRequested(value, extension_clear_api_constants::kCookiesKey)) | 67 if (DataRemovalRequested(value, keys::kDownloadsKey)) |
| 72 GetRemovalMask |= BrowsingDataRemover::REMOVE_COOKIES; | |
| 73 if (DataRemovalRequested(value, extension_clear_api_constants::kDownloadsKey)) | |
| 74 GetRemovalMask |= BrowsingDataRemover::REMOVE_DOWNLOADS; | 68 GetRemovalMask |= BrowsingDataRemover::REMOVE_DOWNLOADS; |
| 75 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | 69 if (DataRemovalRequested(value, keys::kFormDataKey)) |
| 76 GetRemovalMask |= BrowsingDataRemover::REMOVE_FILE_SYSTEMS; | |
| 77 if (DataRemovalRequested(value, extension_clear_api_constants::kFormDataKey)) | |
| 78 GetRemovalMask |= BrowsingDataRemover::REMOVE_FORM_DATA; | 70 GetRemovalMask |= BrowsingDataRemover::REMOVE_FORM_DATA; |
| 79 if (DataRemovalRequested(value, extension_clear_api_constants::kHistoryKey)) | 71 if (DataRemovalRequested(value, keys::kHistoryKey)) |
| 80 GetRemovalMask |= BrowsingDataRemover::REMOVE_HISTORY; | 72 GetRemovalMask |= BrowsingDataRemover::REMOVE_HISTORY; |
| 81 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | 73 if (DataRemovalRequested(value, keys::kPasswordsKey)) |
| 82 GetRemovalMask |= BrowsingDataRemover::REMOVE_INDEXEDDB; | |
| 83 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | |
| 84 GetRemovalMask |= BrowsingDataRemover::REMOVE_LOCAL_STORAGE; | |
| 85 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | |
| 86 GetRemovalMask |= BrowsingDataRemover::REMOVE_PLUGIN_DATA; | |
| 87 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | |
| 88 GetRemovalMask |= BrowsingDataRemover::REMOVE_PASSWORDS; | 74 GetRemovalMask |= BrowsingDataRemover::REMOVE_PASSWORDS; |
| 89 if (DataRemovalRequested(value, extension_clear_api_constants::kPasswordsKey)) | 75 |
| 90 GetRemovalMask |= BrowsingDataRemover::REMOVE_WEBSQL; | 76 // When we talk users about "cookies", we mean not just cookies, but pretty |
| 77 // much everything associated with an origin. |
| 78 if (DataRemovalRequested(value, keys::kCookiesKey)) |
| 79 GetRemovalMask |= BrowsingDataRemover::REMOVE_SITE_DATA; |
| 91 | 80 |
| 92 return GetRemovalMask; | 81 return GetRemovalMask; |
| 93 } | 82 } |
| 94 | 83 |
| 95 } // Namespace. | 84 } // Namespace. |
| 96 | 85 |
| 97 void BrowsingDataExtensionFunction::OnBrowsingDataRemoverDone() { | 86 void BrowsingDataExtensionFunction::OnBrowsingDataRemoverDone() { |
| 98 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 87 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 99 this->SendResponse(true); | 88 this->SendResponse(true); |
| 100 | 89 |
| 101 Release(); // Balanced in RunImpl. | 90 Release(); // Balanced in RunImpl. |
| 102 } | 91 } |
| 103 | 92 |
| 104 bool BrowsingDataExtensionFunction::RunImpl() { | 93 bool BrowsingDataExtensionFunction::RunImpl() { |
| 105 if (BrowsingDataRemover::is_removing()) { | 94 if (BrowsingDataRemover::is_removing()) { |
| 106 error_ = extension_clear_api_constants::kOneAtATimeError; | 95 error_ = keys::kOneAtATimeError; |
| 107 return false; | 96 return false; |
| 108 } | 97 } |
| 109 | 98 |
| 110 double ms_since_epoch; | 99 // Parse the |timeframe| argument to generate the TimePeriod. |
| 111 EXTENSION_FUNCTION_VALIDATE(args_->GetDouble(0, &ms_since_epoch)); | 100 std::string timeframe; |
| 112 // base::Time takes a double that represents seconds since epoch. JavaScript | 101 EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &timeframe)); |
| 113 // gives developers milliseconds, so do a quick conversion before populating | 102 EXTENSION_FUNCTION_VALIDATE(ParseTimePeriod(timeframe, &period_)); |
| 114 // the object. Also, Time::FromDoubleT converts double time 0 to empty Time | |
| 115 // object. So we need to do special handling here. | |
| 116 remove_since_ = (ms_since_epoch == 0) ? | |
| 117 base::Time::UnixEpoch() : | |
| 118 base::Time::FromDoubleT(ms_since_epoch / 1000.0); | |
| 119 | 103 |
| 120 removal_mask_ = GetRemovalMask(); | 104 removal_mask_ = GetRemovalMask(); |
| 121 | 105 |
| 122 if (removal_mask_ & BrowsingDataRemover::REMOVE_PLUGIN_DATA) { | 106 if (removal_mask_ & BrowsingDataRemover::REMOVE_PLUGIN_DATA) { |
| 123 // If we're being asked to remove plugin data, check whether it's actually | 107 // If we're being asked to remove plugin data, check whether it's actually |
| 124 // supported. | 108 // supported. |
| 125 Profile* profile = GetCurrentBrowser()->profile(); | 109 Profile* profile = GetCurrentBrowser()->profile(); |
| 126 BrowserThread::PostTask( | 110 BrowserThread::PostTask( |
| 127 BrowserThread::FILE, FROM_HERE, | 111 BrowserThread::FILE, FROM_HERE, |
| 128 base::Bind( | 112 base::Bind( |
| (...skipping 20 matching lines...) Expand all Loading... |
| 149 | 133 |
| 150 void BrowsingDataExtensionFunction::StartRemoving() { | 134 void BrowsingDataExtensionFunction::StartRemoving() { |
| 151 // If we're good to go, add a ref (Balanced in OnBrowsingDataRemoverDone) | 135 // If we're good to go, add a ref (Balanced in OnBrowsingDataRemoverDone) |
| 152 AddRef(); | 136 AddRef(); |
| 153 | 137 |
| 154 // Create a BrowsingDataRemover, set the current object as an observer (so | 138 // Create a BrowsingDataRemover, set the current object as an observer (so |
| 155 // that we're notified after removal) and call remove() with the arguments | 139 // that we're notified after removal) and call remove() with the arguments |
| 156 // we've generated above. We can use a raw pointer here, as the browsing data | 140 // we've generated above. We can use a raw pointer here, as the browsing data |
| 157 // remover is responsible for deleting itself once data removal is complete. | 141 // remover is responsible for deleting itself once data removal is complete. |
| 158 BrowsingDataRemover* remover = new BrowsingDataRemover( | 142 BrowsingDataRemover* remover = new BrowsingDataRemover( |
| 159 GetCurrentBrowser()->profile(), remove_since_, base::Time::Now()); | 143 GetCurrentBrowser()->profile(), period_, base::Time::Now()); |
| 160 remover->AddObserver(this); | 144 remover->AddObserver(this); |
| 161 remover->Remove(removal_mask_); | 145 remover->Remove(removal_mask_); |
| 162 } | 146 } |
| 163 | 147 |
| 164 int ClearBrowsingDataFunction::GetRemovalMask() const { | 148 int ClearBrowsingDataFunction::GetRemovalMask() const { |
| 165 // Parse the |dataToRemove| argument to generate the removal mask. | 149 // Parse the |dataToRemove| argument to generate the removal mask. |
| 166 base::DictionaryValue* data_to_remove; | 150 base::DictionaryValue* data_to_remove; |
| 167 if (args_->GetDictionary(1, &data_to_remove)) | 151 if (args_->GetDictionary(1, &data_to_remove)) |
| 168 return ParseRemovalMask(data_to_remove); | 152 return ParseRemovalMask(data_to_remove); |
| 169 else | 153 else |
| 170 return 0; | 154 return 0; |
| 171 } | 155 } |
| 172 | 156 |
| 173 int ClearAppCacheFunction::GetRemovalMask() const { | |
| 174 return BrowsingDataRemover::REMOVE_APPCACHE; | |
| 175 } | |
| 176 | |
| 177 int ClearCacheFunction::GetRemovalMask() const { | 157 int ClearCacheFunction::GetRemovalMask() const { |
| 178 return BrowsingDataRemover::REMOVE_CACHE; | 158 return BrowsingDataRemover::REMOVE_CACHE; |
| 179 } | 159 } |
| 180 | 160 |
| 181 int ClearCookiesFunction::GetRemovalMask() const { | 161 int ClearCookiesFunction::GetRemovalMask() const { |
| 182 return BrowsingDataRemover::REMOVE_COOKIES; | 162 return BrowsingDataRemover::REMOVE_SITE_DATA; |
| 183 } | 163 } |
| 184 | 164 |
| 185 int ClearDownloadsFunction::GetRemovalMask() const { | 165 int ClearDownloadsFunction::GetRemovalMask() const { |
| 186 return BrowsingDataRemover::REMOVE_DOWNLOADS; | 166 return BrowsingDataRemover::REMOVE_DOWNLOADS; |
| 187 } | 167 } |
| 188 | 168 |
| 189 int ClearFileSystemsFunction::GetRemovalMask() const { | |
| 190 return BrowsingDataRemover::REMOVE_FILE_SYSTEMS; | |
| 191 } | |
| 192 | |
| 193 int ClearFormDataFunction::GetRemovalMask() const { | 169 int ClearFormDataFunction::GetRemovalMask() const { |
| 194 return BrowsingDataRemover::REMOVE_FORM_DATA; | 170 return BrowsingDataRemover::REMOVE_FORM_DATA; |
| 195 } | 171 } |
| 196 | 172 |
| 197 int ClearHistoryFunction::GetRemovalMask() const { | 173 int ClearHistoryFunction::GetRemovalMask() const { |
| 198 return BrowsingDataRemover::REMOVE_HISTORY; | 174 return BrowsingDataRemover::REMOVE_HISTORY; |
| 199 } | 175 } |
| 200 | 176 |
| 201 int ClearIndexedDBFunction::GetRemovalMask() const { | 177 int ClearPasswordsFunction::GetRemovalMask() const { |
| 202 return BrowsingDataRemover::REMOVE_INDEXEDDB; | 178 return BrowsingDataRemover::REMOVE_CACHE; |
| 203 } | 179 } |
| 204 | |
| 205 int ClearLocalStorageFunction::GetRemovalMask() const { | |
| 206 return BrowsingDataRemover::REMOVE_LOCAL_STORAGE; | |
| 207 } | |
| 208 | |
| 209 int ClearPluginDataFunction::GetRemovalMask() const { | |
| 210 return BrowsingDataRemover::REMOVE_PLUGIN_DATA; | |
| 211 } | |
| 212 | |
| 213 int ClearPasswordsFunction::GetRemovalMask() const { | |
| 214 return BrowsingDataRemover::REMOVE_PASSWORDS; | |
| 215 } | |
| 216 | |
| 217 int ClearWebSQLFunction::GetRemovalMask() const { | |
| 218 return BrowsingDataRemover::REMOVE_WEBSQL; | |
| 219 } | |
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