// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/common/extensions/extension_constants.h"

#include <vector>

#include "base/command_line.h"
#include "base/string_util.h"
#include "chrome/common/chrome_switches.h"

namespace extension_manifest_keys {

const char kAllFrames[] = "all_frames";
const char kAltKey[] = "altKey";
const char kApp[] = "app";
const char kBackground[] = "background_page";
const char kBrowserAction[] = "browser_action";
const char kChromeURLOverrides[] = "chrome_url_overrides";
const char kContentScripts[] = "content_scripts";
const char kContentSecurityPolicy[] = "content_security_policy";
const char kConvertedFromUserScript[] = "converted_from_user_script";
const char kCss[] = "css";
const char kCtrlKey[] = "ctrlKey";
const char kCurrentLocale[] = "current_locale";
const char kDefaultLocale[] = "default_locale";
const char kDescription[] = "description";
const char kDevToolsPage[] = "devtools_page";
const char kExcludeGlobs[] = "exclude_globs";
const char kExcludeMatches[] = "exclude_matches";
const char kFileFilters[] = "file_filters";
const char kFileBrowserHandlers[] = "file_browser_handlers";
const char kHomepageURL[] = "homepage_url";
const char kIcons[] = "icons";
const char kId[] = "id";
const char kIncognito[] = "incognito";
const char kIncludeGlobs[] = "include_globs";
const char kInputComponents[] = "input_components";
const char kIntents[] = "intents";
const char kIntentType[] = "type";
const char kIntentPath[] = "path";
const char kIntentTitle[] = "title";
const char kIntentDisposition[] = "disposition";
const char kIsolation[] = "app.isolation";
const char kJs[] = "js";
const char kKeycode[] = "keyCode";
const char kLanguage[] = "language";
const char kLaunch[] = "app.launch";
const char kLaunchContainer[] = "app.launch.container";
const char kLaunchHeight[] = "app.launch.height";
const char kLaunchLocalPath[] = "app.launch.local_path";
const char kLaunchWebURL[] = "app.launch.web_url";
const char kLaunchWidth[] = "app.launch.width";
const char kLayouts[] = "layouts";
const char kManifestVersion[] = "manifest_version";
const char kMatches[] = "matches";
const char kMinimumChromeVersion[] = "minimum_chrome_version";
const char kName[] = "name";
const char kNaClModules[] = "nacl_modules";
const char kNaClModulesMIMEType[] = "mime_type";
const char kNaClModulesPath[] = "path";
const char kOfflineEnabled[] = "offline_enabled";
const char kOmnibox[] = "omnibox";
const char kOmniboxKeyword[] = "omnibox.keyword";
const char kOptionalPermissions[] = "optional_permissions";
const char kOptionsPage[] = "options_page";
const char kPageAction[] = "page_action";
const char kPageActionDefaultIcon[] = "default_icon";
const char kPageActionDefaultPopup[] = "default_popup";
const char kPageActionDefaultTitle[] = "default_title";
const char kPageActionIcons[] = "icons";
const char kPageActionId[] = "id";
const char kPageActionPopup[] = "popup";
const char kPageActionPopupHeight[] = "height";
const char kPageActionPopupPath[] = "path";
const char kPageActions[] = "page_actions";
const char kPermissions[] = "permissions";
const char kPlatformApp[] = "platform_app";
const char kPlugins[] = "plugins";
const char kPluginsPath[] = "path";
const char kPluginsPublic[] = "public";
const char kPublicKey[] = "key";
const char kRequirements[] = "requirements";
const char kRunAt[] = "run_at";
const char kShiftKey[] = "shiftKey";
const char kShortcutKey[] = "shortcutKey";
const char kSidebar[] = "sidebar";
const char kSidebarDefaultIcon[] = "default_icon";
const char kSidebarDefaultPage[] = "default_page";
const char kSidebarDefaultTitle[] = "default_title";
const char kSignature[] = "signature";
const char kTheme[] = "theme";
const char kThemeColors[] = "colors";
const char kThemeDisplayProperties[] = "properties";
const char kThemeImages[] = "images";
const char kThemeTints[] = "tints";
const char kTtsEngine[] = "tts_engine";
const char kTtsGenderFemale[] = "female";
const char kTtsGenderMale[] = "male";
const char kTtsVoices[] = "voices";
const char kTtsVoicesEventTypeEnd[] = "end";
const char kTtsVoicesEventTypeError[] = "error";
const char kTtsVoicesEventTypeMarker[] = "marker";
const char kTtsVoicesEventTypeSentence[] = "sentence";
const char kTtsVoicesEventTypeStart[] = "start";
const char kTtsVoicesEventTypeWord[] = "word";
const char kTtsVoicesEventTypes[] = "event_types";
const char kTtsVoicesGender[] = "gender";
const char kTtsVoicesLang[] = "lang";
const char kTtsVoicesVoiceName[] = "voice_name";
const char kType[] = "type";
const char kUpdateURL[] = "update_url";
const char kVersion[] = "version";
const char kWebURLs[] = "app.urls";
}  // namespace extension_manifest_keys

namespace extension_manifest_values {
const char kIncognitoSplit[] = "split";
const char kIncognitoSpanning[] = "spanning";
const char kIntentDispositionWindow[] = "window";
const char kIntentDispositionInline[] = "inline";
const char kIsolatedStorage[] = "storage";
const char kRunAtDocumentStart[] = "document_start";
const char kRunAtDocumentEnd[] = "document_end";
const char kRunAtDocumentIdle[] = "document_idle";
const char kPageActionTypeTab[] = "tab";
const char kPageActionTypePermanent[] = "permanent";
const char kLaunchContainerPanel[] = "panel";
const char kLaunchContainerShell[] = "shell";
const char kLaunchContainerTab[] = "tab";
const char kLaunchContainerWindow[] = "window";
}  // namespace extension_manifest_values

// Extension-related error messages. Some of these are simple patterns, where a
// '*' is replaced at runtime with a specific value. This is used instead of
// printf because we want to unit test them and scanf is hard to make
// cross-platform.
namespace extension_manifest_errors {
const char kAppsNotEnabled[] =
    "Apps are not enabled.";
const char kBackgroundPermissionNeeded[] =
    "Hosted apps that use 'background_page' must have the 'background' "
    "permission.";
const char kCannotAccessPage[] =
    "Cannot access contents of url \"*\". "
    "Extension manifest must request permission to access this host.";
const char kCannotChangeExtensionID[] =
    "Installed extensions cannot change their IDs.";
const char kCannotClaimAllHostsInExtent[] =
    "Cannot claim all hosts ('*') in an extent.";
const char kCannotClaimAllURLsInExtent[] =
    "Cannot claim all URLs in an extent.";
const char kCannotScriptGallery[] =
    "The extensions gallery cannot be scripted.";
const char kCannotUninstallManagedExtension[] =
    "Attempted uninstallation of an extension that is not user-manageable.";
const char kChromeVersionTooLow[] =
    "This extension requires * version * or greater.";
const char kDisabledByPolicy[] =
    "This extension has been disabled by your administrator.";
const char kDevToolsExperimental[] =
    "You must request the 'experimental' permission in order to use the"
    " DevTools API.";
const char kExpectString[] = "Expect string value.";
const char kExperimentalFlagRequired[] =
    "Loading extensions with 'experimental' permission requires"
    " --enable-experimental-extension-apis command line flag.";
const char kFeatureNotAllowed[] =
    "Feature '*' is not allowed in this type of manifest.";
const char kInvalidAllFrames[] =
    "Invalid value for 'content_scripts[*].all_frames'.";
const char kInvalidBackground[] =
    "Invalid value for 'background_page'.";
const char kInvalidBackgroundInHostedApp[] =
    "Invalid value for 'background_page'. Hosted apps must specify an "
    "absolute HTTPS URL for the background page.";
const char kInvalidBrowserAction[] =
    "Invalid value for 'browser_action'.";
const char kInvalidChromeURLOverrides[] =
    "Invalid value for 'chrome_url_overrides'.";
const char kInvalidContentScript[] =
    "Invalid value for 'content_scripts[*]'.";
const char kInvalidContentSecurityPolicy[] =
    "Invalid value for 'content_security_policy'.";
const char kInvalidContentScriptsList[] =
    "Invalid value for 'content_scripts'.";
const char kInvalidCss[] =
    "Invalid value for 'content_scripts[*].css[*]'.";
const char kInvalidCssList[] =
    "Required value 'content_scripts[*].css' is invalid.";
const char kInvalidDefaultLocale[] =
    "Invalid value for default locale - locale name must be a string.";
const char kInvalidDescription[] =
    "Invalid value for 'description'.";
const char kInvalidDevToolsPage[] =
    "Invalid value for 'devtools_page'.";
const char kInvalidExcludeMatch[] =
    "Invalid value for 'content_scripts[*].exclude_matches[*]': *";
const char kInvalidExcludeMatches[] =
    "Invalid value for 'content_scripts[*].exclude_matches'.";
const char kInvalidFileBrowserHandler[] =
    "Invalid value for 'file_browser_handers'.";
const char kInvalidFileFiltersList[] =
    "Invalid value for 'file_filters'.";
const char kInvalidFileFilterValue[] =
    "Invalid value for 'file_filters[*]'.";
const char kInvalidGlob[] =
    "Invalid value for 'content_scripts[*].*[*]'.";
const char kInvalidGlobList[] =
    "Invalid value for 'content_scripts[*].*'.";
const char kInvalidHomepageURL[] =
    "Invalid value for homepage url: '[*]'.";
const char kInvalidIconPath[] =
    "Invalid value for 'icons[\"*\"]'.";
const char kInvalidIcons[] =
    "Invalid value for 'icons'.";
const char kInvalidIncognitoBehavior[] =
    "Invalid value for 'incognito'.";
const char kInvalidInputComponents[] =
    "Invalid value for 'input_components'";
const char kInvalidInputComponentDescription[] =
    "Invalid value for 'input_conponents[*].description";
const char kInvalidInputComponentLayoutName[] =
    "Invalid value for 'input_conponents[*].layouts[*]";
const char kInvalidInputComponentLayouts[] =
    "Invalid value for 'input_conponents[*].layouts";
const char kInvalidInputComponentName[] =
    "Invalid value for 'input_conponents[*].name";
const char kInvalidInputComponentShortcutKey[] =
    "Invalid value for 'input_conponents[*].shortcutKey";
const char kInvalidInputComponentShortcutKeycode[] =
    "Invalid value for 'input_conponents[*].shortcutKey.keyCode";
const char kInvalidInputComponentType[] =
    "Invalid value for 'input_conponents[*].type";
const char kInvalidIntent[] =
    "Invalid value for intents[*]";
const char kInvalidIntentDisposition[] =
    "Invalid value for intents[*].disposition";
const char kInvalidIntentPath[] =
  "Invalid value for intents[*].path";
const char kInvalidIntents[] =
    "Invalid value for intents";
const char kInvalidIntentType[] =
    "Invalid value for intents[*].type";
const char kInvalidIntentTitle[] =
    "Invalid value for intents[*].title";
const char kInvalidIsolation[] =
    "Invalid value for 'app.isolation'.";
const char kInvalidIsolationValue[] =
    "Invalid value for 'app.isolation[*]'.";
const char kInvalidJs[] =
    "Invalid value for 'content_scripts[*].js[*]'.";
const char kInvalidJsList[] =
    "Required value 'content_scripts[*].js' is invalid.";
const char kInvalidKey[] =
    "Value 'key' is missing or invalid.";
const char kInvalidLaunchContainer[] =
    "Invalid value for 'app.launch.container'.";
const char kInvalidLaunchContainerForNonPlatform[] =
    "'app.launch.container' = 'shell' can only be used with platform_app.";
const char kInvalidLaunchContainerForPlatform[] =
    "platform_app requires 'app.launch.container' == 'shell'.";
const char kInvalidLaunchHeight[] =
    "Invalid value for 'app.launch.height'.";
const char kInvalidLaunchHeightContainer[] =
    "Invalid container type for 'app.launch.height'.";
const char kInvalidLaunchLocalPath[] =
    "Invalid value for 'app.launch.local_path'.";
const char kInvalidLaunchWebURL[] =
    "Invalid value for 'app.launch.web_url'.";
const char kInvalidLaunchWidth[] =
    "Invalid value for 'app.launch.width'.";
const char kInvalidLaunchWidthContainer[] =
    "Invalid container type for 'app.launch.width'.";
const char kInvalidManifest[] =
    "Manifest file is invalid.";
const char kInvalidManifestVersion[] =
    "Invalid value for 'manifest_version'.";
const char kInvalidMatch[] =
    "Invalid value for 'content_scripts[*].matches[*]': *";
const char kInvalidMatchCount[] =
    "Invalid value for 'content_scripts[*].matches'. There must be at least "
    "one match specified.";
const char kInvalidMatches[] =
    "Required value 'content_scripts[*].matches' is missing or invalid.";
const char kInvalidMinimumChromeVersion[] =
    "Invalid value for 'minimum_chrome_version'.";
const char kInvalidName[] =
    "Required value 'name' is missing or invalid.";
const char kInvalidNaClModules[] =
    "Invalid value for 'nacl_modules'.";
const char kInvalidNaClModulesPath[] =
    "Invalid value for 'nacl_modules[*].path'.";
const char kInvalidNaClModulesMIMEType[] =
    "Invalid value for 'nacl_modules[*].mime_type'.";
const char kInvalidOfflineEnabled[] =
    "Invalid value for 'offline_enabled'.";
const char kInvalidOmniboxKeyword[] =
    "Invalid value for 'omnibox.keyword'.";
const char kInvalidOptionsPage[] =
    "Invalid value for 'options_page'.";
const char kInvalidOptionsPageExpectUrlInPackage[] =
    "Invalid value for 'options_page'.  Value must be a relative path.";
const char kInvalidOptionsPageInHostedApp[] =
    "Invalid value for 'options_page'. Hosted apps must specify an "
    "absolute URL.";
const char kInvalidPageAction[] =
    "Invalid value for 'page_action'.";
const char kInvalidPageActionDefaultTitle[] =
    "Invalid value for 'default_title'.";
const char kInvalidPageActionIconPath[] =
    "Invalid value for 'page_action.default_icon'.";
const char kInvalidPageActionId[] =
    "Required value 'id' is missing or invalid.";
const char kInvalidPageActionName[] =
    "Invalid value for 'page_action.name'.";
const char kInvalidPageActionOldAndNewKeys[] =
    "Key \"*\" is deprecated.  Key \"*\" has the same meaning.  You can not "
    "use both.";
const char kInvalidPageActionPopup[] =
    "Invalid type for page action popup.";
const char kInvalidPageActionPopupHeight[] =
    "Invalid value for page action popup height [*].";
const char kInvalidPageActionPopupPath[] =
    "Invalid value for page action popup path [*].";
const char kInvalidPageActionsList[] =
    "Invalid value for 'page_actions'.";
const char kInvalidPageActionsListSize[] =
    "Invalid value for 'page_actions'. There can be at most one page action.";
const char kInvalidPageActionTypeValue[] =
    "Invalid value for 'page_actions[*].type', expected 'tab' or 'permanent'.";
const char kInvalidPermission[] =
    "Invalid value for 'permissions[*]'.";
const char kInvalidPermissions[] =
    "Required value 'permissions' is missing or invalid.";
const char kInvalidPermissionScheme[] =
    "Invalid scheme for 'permissions[*]'.";
const char kInvalidPlugins[] =
    "Invalid value for 'plugins'.";
const char kInvalidPluginsPath[] =
    "Invalid value for 'plugins[*].path'.";
const char kInvalidPluginsPublic[] =
    "Invalid value for 'plugins[*].public'.";
const char kInvalidRequirement[] =
    "Invalid value for requirement \"*\"";
const char kInvalidRequirements[] =
    "Invalid value for 'requirements'";
const char kInvalidRunAt[] =
    "Invalid value for 'content_scripts[*].run_at'.";
const char kInvalidSidebar[] =
    "Invalid value for 'sidebar'.";
const char kInvalidSidebarDefaultIconPath[] =
    "Invalid value for 'sidebar.default_icon'.";
const char kInvalidSidebarDefaultPage[] =
    "Invalid value for 'sidebar.default_page'.";
const char kInvalidSidebarDefaultTitle[] =
    "Invalid value for 'sidebar.default_title'.";
const char kInvalidSignature[] =
    "Value 'signature' is missing or invalid.";
const char kInvalidTheme[] =
    "Invalid value for 'theme'.";
const char kInvalidThemeColors[] =
    "Invalid value for theme colors - colors must be integers";
const char kInvalidThemeImages[] =
    "Invalid value for theme images - images must be strings.";
const char kInvalidThemeImagesMissing[] =
    "An image specified in the theme is missing.";
const char kInvalidThemeTints[] =
    "Invalid value for theme images - tints must be decimal numbers.";
const char kInvalidTts[] =
    "Invalid value for 'tts_engine'.";
const char kInvalidTtsVoices[] =
    "Invalid value for 'tts_engine.voices'.";
const char kInvalidTtsVoicesEventTypes[] =
    "Invalid value for 'tts_engine.voices[*].event_types'.";
const char kInvalidTtsVoicesGender[] =
    "Invalid value for 'tts_engine.voices[*].gender'.";
const char kInvalidTtsVoicesLang[] =
    "Invalid value for 'tts_engine.voices[*].lang'.";
const char kInvalidTtsVoicesVoiceName[] =
    "Invalid value for 'tts_engine.voices[*].voice_name'.";
const char kInvalidUpdateURL[] =
    "Invalid value for update url: '[*]'.";
const char kInvalidURLPatternError[] =
    "Invalid url pattern '*'";
const char kInvalidVersion[] =
    "Required value 'version' is missing or invalid. It must be between 1-4 "
    "dot-separated integers each between 0 and 65536.";
const char kInvalidWebURL[] =
    "Invalid value for 'app.urls[*]': *";
const char kInvalidWebURLs[] =
    "Invalid value for 'app.urls'.";
const char kInvalidZipHash[] =
    "Required key 'zip_hash' is missing or invalid.";
const char kLaunchPathAndExtentAreExclusive[] =
    "The 'app.launch.local_path' and 'app.urls' keys cannot both be set.";
const char kLaunchPathAndURLAreExclusive[] =
    "The 'app.launch.local_path' and 'app.launch.web_url' keys cannot "
    "both be set.";
const char kLaunchURLRequired[] =
    "Either 'app.launch.local_path' or 'app.launch.web_url' is required.";
const char kLocalesMessagesFileMissing[] =
    "Messages file is missing for locale.";
const char kLocalesNoDefaultLocaleSpecified[] =
    "Localization used, but default_locale wasn't specified in the manifest.";
const char kLocalesNoDefaultMessages[] =
    "Default locale is defined but default data couldn't be loaded.";
const char kLocalesNoValidLocaleNamesListed[] =
    "No valid locale name could be found in _locales directory.";
const char kLocalesTreeMissing[] =
    "Default locale was specified, but _locales subtree is missing.";
const char kManifestParseError[] =
    "Manifest is not valid JSON.";
const char kManifestUnreadable[] =
    "Manifest file is missing or unreadable.";
const char kMissingFile[] =
    "At least one js or css file is required for 'content_scripts[*]'.";
const char kMultipleOverrides[] =
    "An extension cannot override more than one page.";
const char kNoWildCardsInPaths[] =
  "Wildcards are not allowed in extent URL pattern paths.";
const char kOneUISurfaceOnly[] =
    "Only one of 'browser_action', 'page_action', and 'app' can be specified.";
const char kPermissionNotAllowed[] =
    "Access to permission '*' denied.";
const char kReservedMessageFound[] =
    "Reserved key * found in message catalog.";
const char kSidebarExperimental[] =
    "You must request the 'experimental' permission in order to use the"
    " Sidebar API.";
#if defined(OS_CHROMEOS)
const char kIllegalPlugins[] =
    "Extensions cannot install plugins on Chrome OS";
#endif
}  // namespace extension_manifest_errors

namespace extension_urls {
std::string GetWebstoreLaunchURL() {
  std::string gallery_prefix = kGalleryBrowsePrefix;
  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAppsGalleryURL))
    gallery_prefix = CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
        switches::kAppsGalleryURL);
  if (EndsWith(gallery_prefix, "/", true))
    gallery_prefix = gallery_prefix.substr(0, gallery_prefix.length() - 1);
  return gallery_prefix;
}

std::string GetWebstoreItemDetailURLPrefix() {
  return GetWebstoreLaunchURL() + "/detail/";
}

GURL GetWebstoreItemJsonDataURL(const std::string& extension_id) {
  return GURL(GetWebstoreLaunchURL() + "/inlineinstall/detail/" + extension_id);
}

const char kGalleryUpdateHttpUrl[] =
    "http://clients2.google.com/service/update2/crx";
const char kGalleryUpdateHttpsUrl[] =
    "https://clients2.google.com/service/update2/crx";

GURL GetWebstoreUpdateUrl(bool secure) {
  CommandLine* cmdline = CommandLine::ForCurrentProcess();
  if (cmdline->HasSwitch(switches::kAppsGalleryUpdateURL))
    return GURL(cmdline->GetSwitchValueASCII(switches::kAppsGalleryUpdateURL));
  else
    return GURL(secure ? kGalleryUpdateHttpsUrl : kGalleryUpdateHttpUrl);
}

bool IsWebstoreUpdateUrl(const GURL& update_url) {
  return update_url == GetWebstoreUpdateUrl(false) ||
         update_url == GetWebstoreUpdateUrl(true);
}

const char kGalleryBrowsePrefix[] = "https://chrome.google.com/webstore";
}

namespace extension_filenames {
const char kTempExtensionName[] = "CRX_INSTALL";

// The file to write our decoded images to, relative to the extension_path.
const char kDecodedImagesFilename[] = "DECODED_IMAGES";

// The file to write our decoded message catalogs to, relative to the
// extension_path.
const char kDecodedMessageCatalogsFilename[] = "DECODED_MESSAGE_CATALOGS";
}

namespace extension_misc {
const char kBookmarkManagerId[] = "eemcgdkfndhakfknompkggombfjjjeno";
const char kWebStoreAppId[] = "ahfgeienlihckogmohjhadlkjgocpleb";
const char kCloudPrintAppId[] = "mfehgcgbbipciphmccgaenjidiccnmng";
const char kAppsPromoHistogram[] = "Extensions.AppsPromo";
const char kAppLaunchHistogram[] = "Extensions.AppLaunch";
#if defined(OS_CHROMEOS)
const char kAccessExtensionPath[] =
    "/usr/share/chromeos-assets/accessibility/extensions";
const char kChromeVoxDirectoryName[] = "access_chromevox";
#endif

}