| // Copyright 2018 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 "components/component_updater/component_updater_command_line_config_policy.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/command_line.h" |
| #include "base/stl_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/sys_string_conversions.h" |
| #include "build/build_config.h" |
| #include "components/component_updater/component_updater_switches.h" |
| |
| namespace component_updater { |
| |
| namespace { |
| |
| // Debug values you can pass to --component-updater=value1,value2. Do not |
| // use these values in production code. |
| |
| // Speed up the initial component checking. |
| const char kSwitchFastUpdate[] = "fast-update"; |
| |
| // Add "testrequest=1" attribute to the update check request. |
| const char kSwitchTestRequestParam[] = "test-request"; |
| |
| // Disables pings. Pings are the requests sent to the update server that report |
| // the success or the failure of component install or update attempts. |
| const char kSwitchDisablePings[] = "disable-pings"; |
| |
| // Sets the URL for updates. |
| const char kSwitchUrlSource[] = "url-source"; |
| |
| // Disables differential updates. |
| const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates"; |
| |
| // Configures the initial delay before the first component update check. The |
| // value is in seconds. |
| const char kInitialDelay[] = "initial-delay"; |
| |
| #if defined(OS_WIN) |
| // Disables background downloads. |
| const char kSwitchDisableBackgroundDownloads[] = "disable-background-downloads"; |
| #endif // defined(OS_WIN) |
| |
| // If there is an element of |vec| of the form |test|=.*, returns the right- |
| // hand side of that assignment. Otherwise, returns an empty string. |
| // The right-hand side may contain additional '=' characters, allowing for |
| // further nesting of switch arguments. |
| std::string GetSwitchArgument(const std::vector<std::string>& vec, |
| const char* test) { |
| if (vec.empty()) |
| return std::string(); |
| for (auto it = vec.begin(); it != vec.end(); ++it) { |
| const std::size_t found = it->find("="); |
| if (found != std::string::npos) { |
| if (it->substr(0, found) == test) { |
| return it->substr(found + 1); |
| } |
| } |
| } |
| return std::string(); |
| } |
| |
| } // namespace |
| |
| ComponentUpdaterCommandLineConfigPolicy:: |
| ComponentUpdaterCommandLineConfigPolicy(const base::CommandLine* cmdline) { |
| DCHECK(cmdline); |
| // Parse comma-delimited debug flags. |
| std::vector<std::string> switch_values = base::SplitString( |
| cmdline->GetSwitchValueASCII(switches::kComponentUpdater), ",", |
| base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
| |
| #if defined(OS_WIN) |
| background_downloads_enabled_ = |
| !base::Contains(switch_values, kSwitchDisableBackgroundDownloads); |
| #else |
| background_downloads_enabled_ = false; |
| #endif |
| |
| deltas_enabled_ = !base::Contains(switch_values, kSwitchDisableDeltaUpdates); |
| fast_update_ = base::Contains(switch_values, kSwitchFastUpdate); |
| pings_enabled_ = !base::Contains(switch_values, kSwitchDisablePings); |
| test_request_ = base::Contains(switch_values, kSwitchTestRequestParam); |
| |
| const std::string switch_url_source = |
| GetSwitchArgument(switch_values, kSwitchUrlSource); |
| if (!switch_url_source.empty()) { |
| url_source_override_ = GURL(switch_url_source); |
| DCHECK(url_source_override_.is_valid()); |
| } |
| |
| const std::string initial_delay = |
| GetSwitchArgument(switch_values, kInitialDelay); |
| int initial_delay_seconds = 0; |
| if (base::StringToInt(initial_delay, &initial_delay_seconds)) |
| initial_delay_ = initial_delay_seconds; |
| } |
| |
| bool ComponentUpdaterCommandLineConfigPolicy::BackgroundDownloadsEnabled() |
| const { |
| return background_downloads_enabled_; |
| } |
| |
| bool ComponentUpdaterCommandLineConfigPolicy::DeltaUpdatesEnabled() const { |
| return deltas_enabled_; |
| } |
| |
| bool ComponentUpdaterCommandLineConfigPolicy::FastUpdate() const { |
| return fast_update_; |
| } |
| |
| bool ComponentUpdaterCommandLineConfigPolicy::PingsEnabled() const { |
| return pings_enabled_; |
| } |
| |
| bool ComponentUpdaterCommandLineConfigPolicy::TestRequest() const { |
| return test_request_; |
| } |
| |
| GURL ComponentUpdaterCommandLineConfigPolicy::UrlSourceOverride() const { |
| return url_source_override_; |
| } |
| |
| int ComponentUpdaterCommandLineConfigPolicy::InitialDelay() const { |
| return initial_delay_; |
| } |
| |
| } // namespace component_updater |