[tt-rss.git] / plugins / updater / updater.php

<?php
class Updater extends Plugin {

	private $link;
	private $host;

	function __construct($host) {
		$this->link = $host->get_link();
		$this->host = $host;

		$host->add_hook($host::HOOK_PREFS_TAB, $this);

		$host->add_command("update-self",
			"update tt-rss installation to latest version",
			$this);
	}

	function update_self_step($link, $step, $params, $force = false) {
		// __FILE__ is in plugins/updater so we need to go one level up
		$work_dir = dirname(dirname(dirname(__FILE__)));
		$parent_dir = dirname($work_dir);

		if (!chdir($work_dir)) {
			array_push($log, "Unable to change to work directory: $work_dir");
			$stop = true; break;
		}

		$stop = false;
		$log = array();
		if (!is_array($params)) $params = array();

		switch ($step) {
		case 0:
			array_push($log, "Work directory: $work_dir");

			if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
				$user = posix_getpwuid(posix_geteuid());
				$user = $user["name"];
				array_push($log, "Both tt-rss and parent directories should be writable as current user ($user).");
				$stop = true; break;
			}

			if (!file_exists("$work_dir/config.php") || !file_exists("$work_dir/include/sanity_check.php")) {
				array_push($log, "Work directory $work_dir doesn't look like tt-rss installation.");
				$stop = true; break;
			}

			if (!is_writable(sys_get_temp_dir())) {
				array_push($log, "System temporary directory should be writable as current user.");
				$stop = true; break;
			}

			array_push($log, "Checking for tar...");

			$system_rc = 0;
			system("tar --version >/dev/null", $system_rc);

			if ($system_rc != 0) {
				array_push($log, "Could not run tar executable (RC=$system_rc).");
				$stop = true; break;
			}

			array_push($log, "Checking for latest version...");

			$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
				true);

			if (!is_array($version_info)) {
				array_push($log, "Unable to fetch version information.");
				$stop = true; break;
			}

			$target_version = $version_info["version"];
			$target_dir = "$parent_dir/tt-rss-$target_version";

			array_push($log, "Target version: $target_version");
			$params["target_version"] = $target_version;

			if (version_compare(VERSION, $target_version) != -1 && !$force) {
				array_push($log, "Your Tiny Tiny RSS installation is up to date.");
				$stop = true; break;
			}

			if (file_exists($target_dir)) {
				array_push($log, "Target directory $target_dir already exists.");
				$stop = true; break;
			}

			break;
		case 1:
			$target_version = $params["target_version"];

			array_push($log, "Downloading checksums...");
			$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");

			if (!$md5sum_data) {
				array_push($log, "Could not download checksums.");
				$stop = true; break;
			}

			$md5sum_data = explode("\n", $md5sum_data);

			foreach ($md5sum_data as $line) {
				$pair = explode("  ", $line);

				if ($pair[1] == "tt-rss-$target_version.tar.gz") {
					$target_md5sum = $pair[0];
					break;
				}
			}

			if (!$target_md5sum) {
				array_push($log, "Unable to locate checksum for target version.");
				$stop = true; break;
			}

			$params["target_md5sum"] = $target_md5sum;

			break;
		case 2:
			$target_version = $params["target_version"];
			$target_md5sum = $params["target_md5sum"];

			array_push($log, "Downloading distribution tarball...");

			$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
			$data = fetch_file_contents($tarball_url);

			if (!$data) {
				array_push($log, "Could not download distribution tarball ($tarball_url).");
				$stop = true; break;
			}

			array_push($log, "Verifying tarball checksum...");

			$test_md5sum = md5($data);

			if ($test_md5sum != $target_md5sum) {
				array_push($log, "Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
				$stop = true; break;
			}

			$tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
			array_push($log, "Saving download to $tmp_file");

			if (!file_put_contents($tmp_file, $data)) {
				array_push($log, "Unable to save download.");
				$stop = true; break;
			}

			$params["tmp_file"] = $tmp_file;

			break;
		case 3:
			$tmp_file = $params["tmp_file"];
			$target_version = $params["target_version"];

			if (!chdir($parent_dir)) {
				array_push($log, "Unable to change into parent directory.");
				$stop = true; break;
			}

			$old_dir = tmpdirname($parent_dir, "tt-rss-old");

			array_push($log, "Renaming tt-rss directory to ".basename($old_dir));
			if (!rename($work_dir, $old_dir)) {
				array_push($log, "Unable to rename tt-rss directory.");
				$stop = true; break;
			}

			array_push($log, "Extracting tarball...");
			system("tar zxf $tmp_file", $system_rc);

			if ($system_rc != 0) {
				array_push($log, "Error while extracting tarball (RC=$system_rc).");
				$stop = true; break;
			}

			$target_dir = "$parent_dir/tt-rss-$target_version";

			array_push($log, "Renaming target directory...");
			if (!rename($target_dir, $work_dir)) {
				array_push($log, "Unable to rename target directory.");
				$stop = true; break;
			}

			if (!chdir($work_dir)) {
				array_push($log, "Unable to change to work directory: $work_dir");
				$stop = true; break;
			}

			array_push($log, "Copying config.php...");
			if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
				array_push($log, "Unable to copy config.php to $work_dir.");
				$stop = true; break;
			}

			array_push($log, "Cleaning up...");
			unlink($tmp_file);

			array_push($log, "Fixing permissions...");

			$directories = array(
				CACHE_DIR,
				CACHE_DIR . "/htmlpurifier",
				CACHE_DIR . "/export",
				CACHE_DIR . "/images",
				CACHE_DIR . "/magpie",
				CACHE_DIR . "/simplepie",
				ICONS_DIR,
				LOCK_DIRECTORY);

			foreach ($directories as $dir) {
				array_push($log, "-> $dir");
				chmod($dir, 0777);
			}

			array_push($log, "Upgrade completed.");
			array_push($log, "Your old tt-rss directory is saved at $old_dir. ".
				"Please migrate locally modified files (if any) and remove it.");
			array_push($log, "You might need to re-enter current directory in shell to see new files.");

			$stop = true;
			break;
		default:
			$stop = true;
		}

		return array("step" => $step, "stop" => $stop, "params" => $params, "log" => $log);
	}

	function update_self_cli($link, $force = false) {
		$step = 0;
		$stop = false;
		$params = array();

		while (!$stop) {
			$rc = $this->update_self_step($link, $step, $params, $force);

			$params = $rc['params'];
			$stop = $rc['stop'];

			foreach ($rc['log'] as $line) {
				_debug($line);
			}
			++$step;
		}
	}

	function update_self($args) {
		_debug("Warning: self-updating is experimental. Use at your own risk.");
		_debug("Please backup your tt-rss directory before continuing. Your database will not be modified.");
		_debug("Type 'yes' to continue.");

		if (read_stdin() != 'yes')
			exit;

		$this->update_self_cli($link, in_array("-force", $args));
	}

	function get_prefs_js() {
		return file_get_contents(dirname(__FILE__) . "/updater.js");
	}

	function hook_prefs_tab($args) {
		if ($args != "prefPrefs") return;

		if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
			print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Update Tiny Tiny RSS')."\">";

			if ($_SESSION["pref_last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
				$_SESSION["version_data"] = @check_for_update($this->link);
				$_SESSION["pref_last_version_check"] = time();
			}

			if (is_array($_SESSION["version_data"])) {
				$version = $_SESSION["version_data"]["version"];
				print_notice(T_sprintf("New version of Tiny Tiny RSS is available (%s).", "<b>$version</b>"));

				print "<p><button dojoType=\"dijit.form.Button\" onclick=\"return updateSelf()\">".
					__('Update Tiny Tiny RSS')."</button></p>";

			} else {
				print_notice(__("Your Tiny Tiny RSS installation is up to date."));
			}

			print "</div>"; #pane
		}

	function updateSelf() {
		print "<form style='display : block' name='self_update_form' id='self_update_form'>";

		print "<div class='error'>".__("Do not close this dialog until updating is finished. Backup your tt-rss directory before continuing.")."</div>";

		print "<ul class='selfUpdateList' id='self_update_log'>";
		print "<li>" . __("Ready to update.") . "</li>";
		print "</ul>";

		print "<div class='dlgButtons'>";
		print "<button id=\"self_update_start_btn\" dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('updateSelfDlg').start()\" >".
			__("Start update")."</button>";
		print "<button id=\"self_update_stop_btn\" onclick=\"return dijit.byId('updateSelfDlg').close()\" dojoType=\"dijit.form.Button\">".
			__("Close this window")."</button>";
		print "</div>";
		print "</form>";
	}

	function performUpdate() {
		$step = (int) $_REQUEST["step"];
		$params = json_decode($_REQUEST["params"], true);
		$force = (bool) $_REQUEST["force"];

		if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
			print	json_encode($this->update_self_step($this->link, $step, $params, $force));
		}
	}


	}
}
?>
Commit	Line	Data
5cedb389 AD	1	<?php
	2	class Updater extends Plugin {
	3
	4	private $link;
	5	private $host;
	6
	7	function __construct($host) {
	8	$this->link = $host->get_link();
	9	$this->host = $host;
	10
	11	$host->add_hook($host::HOOK_PREFS_TAB, $this);
73f28fe9 AD	12
	13	$host->add_command("update-self",
	14	"update tt-rss installation to latest version",
	15	$this);
	16	}
	17
	18	function update_self_step($link, $step, $params, $force = false) {
	19	// __FILE__ is in plugins/updater so we need to go one level up
	20	$work_dir = dirname(dirname(dirname(__FILE__)));
	21	$parent_dir = dirname($work_dir);
	22
	23	if (!chdir($work_dir)) {
	24	array_push($log, "Unable to change to work directory: $work_dir");
	25	$stop = true; break;
	26	}
	27
	28	$stop = false;
	29	$log = array();
	30	if (!is_array($params)) $params = array();
	31
	32	switch ($step) {
	33	case 0:
	34	array_push($log, "Work directory: $work_dir");
	35
	36	if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
	37	$user = posix_getpwuid(posix_geteuid());
	38	$user = $user["name"];
	39	array_push($log, "Both tt-rss and parent directories should be writable as current user ($user).");
	40	$stop = true; break;
	41	}
	42
	43	if (!file_exists("$work_dir/config.php") \|\| !file_exists("$work_dir/include/sanity_check.php")) {
	44	array_push($log, "Work directory $work_dir doesn't look like tt-rss installation.");
	45	$stop = true; break;
	46	}
	47
	48	if (!is_writable(sys_get_temp_dir())) {
	49	array_push($log, "System temporary directory should be writable as current user.");
	50	$stop = true; break;
	51	}
	52
	53	array_push($log, "Checking for tar...");
	54
	55	$system_rc = 0;
	56	system("tar --version >/dev/null", $system_rc);
	57
	58	if ($system_rc != 0) {
	59	array_push($log, "Could not run tar executable (RC=$system_rc).");
	60	$stop = true; break;
	61	}
	62
	63	array_push($log, "Checking for latest version...");
	64
	65	$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
	66	true);
	67
	68	if (!is_array($version_info)) {
	69	array_push($log, "Unable to fetch version information.");
	70	$stop = true; break;
	71	}
	72
	73	$target_version = $version_info["version"];
	74	$target_dir = "$parent_dir/tt-rss-$target_version";
	75
76	array_push($log, "Target version: $target_version");
77	$params["target_version"] = $target_version;
78
79	if (version_compare(VERSION, $target_version) != -1 && !$force) {
80	array_push($log, "Your Tiny Tiny RSS installation is up to date.");
81	$stop = true; break;
82	}
83
84	if (file_exists($target_dir)) {
85	array_push($log, "Target directory $target_dir already exists.");
86	$stop = true; break;
87	}
88
89	break;
90	case 1:
91	$target_version = $params["target_version"];
92
93	array_push($log, "Downloading checksums...");
94	$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
95
96	if (!$md5sum_data) {
97	array_push($log, "Could not download checksums.");
98	$stop = true; break;
99	}
100
101	$md5sum_data = explode("\n", $md5sum_data);
102
103	foreach ($md5sum_data as $line) {
104	$pair = explode(" ", $line);
105
106	if ($pair[1] == "tt-rss-$target_version.tar.gz") {
107	$target_md5sum = $pair[0];
108	break;
109	}
110	}
111
112	if (!$target_md5sum) {
113	array_push($log, "Unable to locate checksum for target version.");
114	$stop = true; break;
115	}
116
117	$params["target_md5sum"] = $target_md5sum;
118
119	break;
120	case 2:
121	$target_version = $params["target_version"];
122	$target_md5sum = $params["target_md5sum"];
123
124	array_push($log, "Downloading distribution tarball...");
125
126	$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
127	$data = fetch_file_contents($tarball_url);
128
129	if (!$data) {
130	array_push($log, "Could not download distribution tarball ($tarball_url).");
131	$stop = true; break;
132	}
133
134	array_push($log, "Verifying tarball checksum...");
135
136	$test_md5sum = md5($data);
137
138	if ($test_md5sum != $target_md5sum) {
139	array_push($log, "Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
140	$stop = true; break;
141	}
142
143	$tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
144	array_push($log, "Saving download to $tmp_file");
145
146	if (!file_put_contents($tmp_file, $data)) {
147	array_push($log, "Unable to save download.");
148	$stop = true; break;
149	}
150
151	$params["tmp_file"] = $tmp_file;
152
153	break;
154	case 3:
155	$tmp_file = $params["tmp_file"];
156	$target_version = $params["target_version"];
157
158	if (!chdir($parent_dir)) {
159	array_push($log, "Unable to change into parent directory.");
160	$stop = true; break;
161	}
162
163	$old_dir = tmpdirname($parent_dir, "tt-rss-old");
164
165	array_push($log, "Renaming tt-rss directory to ".basename($old_dir));
166	if (!rename($work_dir, $old_dir)) {
167	array_push($log, "Unable to rename tt-rss directory.");
168	$stop = true; break;
169	}
170
171	array_push($log, "Extracting tarball...");
172	system("tar zxf $tmp_file", $system_rc);
173
174	if ($system_rc != 0) {
175	array_push($log, "Error while extracting tarball (RC=$system_rc).");
176	$stop = true; break;
177	}
178
179	$target_dir = "$parent_dir/tt-rss-$target_version";
180
181	array_push($log, "Renaming target directory...");
182	if (!rename($target_dir, $work_dir)) {
183	array_push($log, "Unable to rename target directory.");
184	$stop = true; break;
185	}
186
187	if (!chdir($work_dir)) {
188	array_push($log, "Unable to change to work directory: $work_dir");
189	$stop = true; break;
190	}
191
192	array_push($log, "Copying config.php...");
193	if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
194	array_push($log, "Unable to copy config.php to $work_dir.");
195	$stop = true; break;
196	}
197
198	array_push($log, "Cleaning up...");
199	unlink($tmp_file);
200
201	array_push($log, "Fixing permissions...");
202
203	$directories = array(
204	CACHE_DIR,
205	CACHE_DIR . "/htmlpurifier",
206	CACHE_DIR . "/export",
207	CACHE_DIR . "/images",
208	CACHE_DIR . "/magpie",
209	CACHE_DIR . "/simplepie",
210	ICONS_DIR,
211	LOCK_DIRECTORY);
212
213	foreach ($directories as $dir) {
214	array_push($log, "-> $dir");
215	chmod($dir, 0777);
216	}
217
218	array_push($log, "Upgrade completed.");
219	array_push($log, "Your old tt-rss directory is saved at $old_dir. ".
220	"Please migrate locally modified files (if any) and remove it.");
221	array_push($log, "You might need to re-enter current directory in shell to see new files.");
222
223	$stop = true;
224	break;
225	default:
226	$stop = true;
227	}
228
229	return array("step" => $step, "stop" => $stop, "params" => $params, "log" => $log);
230	}
231
232	function update_self_cli($link, $force = false) {
233	$step = 0;
234	$stop = false;
235	$params = array();
236
237	while (!$stop) {
238	$rc = $this->update_self_step($link, $step, $params, $force);
239
240	$params = $rc['params'];
241	$stop = $rc['stop'];
242
243	foreach ($rc['log'] as $line) {
244	_debug($line);
245	}
246	++$step;
247	}
248	}
249
250	function update_self($args) {
251	_debug("Warning: self-updating is experimental. Use at your own risk.");
252	_debug("Please backup your tt-rss directory before continuing. Your database will not be modified.");
253	_debug("Type 'yes' to continue.");
254
255	if (read_stdin() != 'yes')
256	exit;
257
258	$this->update_self_cli($link, in_array("-force", $args));
5cedb389 AD	259	}
	260
	261	function get_prefs_js() {
	262	return file_get_contents(dirname(__FILE__) . "/updater.js");
	263	}
	264
	265	function hook_prefs_tab($args) {
	266	if ($args != "prefPrefs") return;
	267
	268	if (($_SESSION["access_level"] >= 10 \|\| SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
	269	print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Update Tiny Tiny RSS')."\">";
	270
	271	if ($_SESSION["pref_last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
	272	$_SESSION["version_data"] = @check_for_update($this->link);
	273	$_SESSION["pref_last_version_check"] = time();
	274	}
	275
	276	if (is_array($_SESSION["version_data"])) {
	277	$version = $_SESSION["version_data"]["version"];
	278	print_notice(T_sprintf("New version of Tiny Tiny RSS is available (%s).", "<b>$version</b>"));
	279
	280	print "<p><button dojoType=\"dijit.form.Button\" onclick=\"return updateSelf()\">".
	281	__('Update Tiny Tiny RSS')."</button></p>";
	282
	283	} else {
	284	print_notice(__("Your Tiny Tiny RSS installation is up to date."));
	285	}
	286
	287	print "</div>"; #pane
	288	}
	289
	290	function updateSelf() {
	291	print "<form style='display : block' name='self_update_form' id='self_update_form'>";
	292
	293	print "<div class='error'>".__("Do not close this dialog until updating is finished. Backup your tt-rss directory before continuing.")."</div>";
	294
	295	print "<ul class='selfUpdateList' id='self_update_log'>";
	296	print "<li>" . __("Ready to update.") . "</li>";
	297	print "</ul>";
	298
	299	print "<div class='dlgButtons'>";
	300	print "<button id=\"self_update_start_btn\" dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('updateSelfDlg').start()\" >".
	301	__("Start update")."</button>";
	302	print "<button id=\"self_update_stop_btn\" onclick=\"return dijit.byId('updateSelfDlg').close()\" dojoType=\"dijit.form.Button\">".
	303	__("Close this window")."</button>";
	304	print "</div>";
	305	print "</form>";
	306	}
	307
	308	function performUpdate() {
	309	$step = (int) $_REQUEST["step"];
	310	$params = json_decode($_REQUEST["params"], true);
	311	$force = (bool) $_REQUEST["force"];
	312
	313	if (($_SESSION["access_level"] >= 10 \|\| SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
73f28fe9	314	print json_encode($this->update_self_step($this->link, $step, $params, $force));
5cedb389 AD	315	}
	316	}
	317
	318
	319	}
	320	}
	321	?>