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https://github.com/RGBCube/serenity
synced 2025-07-26 15:27:34 +00:00
LaunchServer: Discover handlers from *.af files, allow launching based on a known handler
Adds metadata about apps for what file types and protocols they can handle, then consumes that in the LaunchServer. The LaunchServer can then use that to offer multiple options for what apps can open a given URL. Callers can then pass back the handler name to the LaunchServer to use an alternate app :)
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parent
36996bd720
commit
3c5f75ed53
9 changed files with 111 additions and 17 deletions
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@ -26,7 +26,9 @@
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#include "Launcher.h"
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#include <AK/FileSystemPath.h>
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#include <AK/Function.h>
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#include <LibCore/ConfigFile.h>
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#include <LibCore/DirIterator.h>
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#include <stdio.h>
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#include <sys/stat.h>
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@ -47,6 +49,33 @@ Launcher& Launcher::the()
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return *s_the;
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}
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void Launcher::load_handlers(const String& af_dir)
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{
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auto load_hashtable = [](auto& af, auto& key) {
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HashTable<String> table;
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auto config_value = af->read_entry("Launcher", key, {});
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for (auto& key : config_value.split(','))
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table.set(key.to_lowercase());
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return table;
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};
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Core::DirIterator dt(af_dir, Core::DirIterator::SkipDots);
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while (dt.has_next()) {
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auto af_name = dt.next_path();
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auto af_path = String::format("%s/%s", af_dir.characters(), af_name.characters());
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auto af = Core::ConfigFile::open(af_path);
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if (!af->has_key("App", "Name") || !af->has_key("App", "Executable"))
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continue;
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auto app_name = af->read_entry("App", "Name");
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auto app_executable = af->read_entry("App", "Executable");
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auto file_types = load_hashtable(af, "FileTypes");
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auto protocols = load_hashtable(af, "Protocols");
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m_handlers.set(app_executable, { app_name, app_executable, file_types, protocols });
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}
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}
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void Launcher::load_config(const Core::ConfigFile& cfg)
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{
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for (auto key : cfg.keys("FileType")) {
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@ -63,15 +92,35 @@ Vector<String> Launcher::handlers_for_url(const URL& url)
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if (url.protocol() == "file")
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return handlers_for_path(url.path());
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return { m_protocol_handlers.get(url.protocol()).value_or(m_protocol_handlers.get("*").value_or({})) };
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return handlers_for(url.protocol(), m_protocol_handlers, [](auto& handler, auto& key) {
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return handler.protocols.contains(key);
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});
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}
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bool Launcher::open_url(const URL& url)
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bool Launcher::open_url(const URL& url, const String& handler_name)
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{
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if (!handler_name.is_null())
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return open_with_handler_name(url, handler_name);
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if (url.protocol() == "file")
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return open_file_url(url);
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return open_with_handlers(m_protocol_handlers, url.protocol(), url.to_string(), "/bin/Browser");
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return open_with_user_preferences(m_protocol_handlers, url.protocol(), url.to_string(), "/bin/Browser");
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}
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bool Launcher::open_with_handler_name(const URL& url, const String& handler_name)
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{
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auto handler_optional = m_handlers.get(handler_name);
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if (!handler_optional.has_value())
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return false;
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auto& handler = handler_optional.value();
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String argument;
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if (url.protocol() == "file")
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argument = url.path();
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else
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argument = url.to_string();
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return spawn(handler.executable, argument);
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}
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bool spawn(String executable, String argument)
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@ -91,14 +140,14 @@ bool spawn(String executable, String argument)
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return true;
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}
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bool Launcher::open_with_handlers(const HashMap<String, String>& handlers, const String key, const String argument, const String default_program)
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bool Launcher::open_with_user_preferences(const HashMap<String, String>& user_preferences, const String key, const String argument, const String default_program)
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{
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auto program_path = handlers.get(key);
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auto program_path = user_preferences.get(key);
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if (program_path.has_value())
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return spawn(program_path.value(), argument);
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// There wasn't a handler for this, so try the fallback instead
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program_path = handlers.get("*");
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program_path = user_preferences.get("*");
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if (program_path.has_value())
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return spawn(program_path.value(), argument);
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@ -107,6 +156,29 @@ bool Launcher::open_with_handlers(const HashMap<String, String>& handlers, const
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return spawn(default_program, argument);
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}
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Vector<String> Launcher::handlers_for(const String& key, HashMap<String, String>& user_preference, Function<bool(Handler&, const String&)> handler_matches)
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{
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Vector<String> handlers;
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auto user_preferred = user_preference.get(key);
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if (user_preferred.has_value())
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handlers.append(user_preferred.value());
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for (auto& handler : m_handlers) {
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// Skip over the existing item in the list
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if (user_preferred.has_value() && user_preferred.value() == handler.value.executable)
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continue;
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if (handler_matches(handler.value, key))
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handlers.append(handler.value.executable);
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}
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auto user_default = user_preference.get("*");
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if (handlers.size() == 0 && user_default.has_value())
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handlers.append(user_default.value());
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return handlers;
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}
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Vector<String> Launcher::handlers_for_path(const String& path)
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{
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struct stat st;
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@ -120,7 +192,10 @@ Vector<String> Launcher::handlers_for_path(const String& path)
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return { "/bin/FileManager" };
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auto extension = FileSystemPath(path).extension().to_lowercase();
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return { m_file_handlers.get(extension).value_or(m_file_handlers.get("*").value_or({})) };
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return handlers_for(extension, m_file_handlers, [](auto& handler, auto& key) {
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return handler.file_types.contains(key);
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});
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}
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bool Launcher::open_file_url(const URL& url)
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@ -142,7 +217,6 @@ bool Launcher::open_file_url(const URL& url)
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String extension = {};
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if (extension_parts.size() > 1)
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extension = extension_parts.last();
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return open_with_handlers(m_file_handlers, extension, url.path(), "/bin/TextEdit");
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return open_with_user_preferences(m_file_handlers, extension, url.path(), "/bin/TextEdit");
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}
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}
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