From dfff2cef7b29e2275bd1cf9ac59d3e50f09b7bc5 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sat, 27 Feb 2021 13:05:02 +0300
Subject: [PATCH] add basic updater for stuff in plugins.local

---
 backend.php            |  5 ++-
 classes/pref/prefs.php | 72 ++++++++++++++++++++++++++++++++++++++++--
 js/PrefHelpers.js      | 64 +++++++++++++++++++++++++++++++++----
 3 files changed, 132 insertions(+), 9 deletions(-)

diff --git a/backend.php b/backend.php
index 206d866b7..e310322f2 100644
--- a/backend.php
+++ b/backend.php
@@ -135,6 +135,9 @@
 					} else {
 						if (method_exists($handler, "catchall")) {
 							$handler->catchall($method);
+						} else {
+							header("Content-Type: text/json");
+							print Errors::to_json(Errors::E_UNKNOWN_METHOD, ["info" => get_class($handler) . "->$method"]);
 						}
 					}
 					$handler->after();
@@ -154,6 +157,6 @@
 	}
 
 	header("Content-Type: text/json");
-	print Errors::to_json(Errors::E_UNKNOWN_METHOD);
+	print Errors::to_json(Errors::E_UNKNOWN_METHOD, ["info" => get_class($handler) . "->$method"]);
 
 ?>
diff --git a/classes/pref/prefs.php b/classes/pref/prefs.php
index 14ca9b49c..7ab9966ba 100644
--- a/classes/pref/prefs.php
+++ b/classes/pref/prefs.php
@@ -842,6 +842,8 @@ class Pref_Prefs extends Handler_Protected {
 					$is_checked = "checked='1'";
 				}
 
+				$can_update = is_dir(dirname(dirname(__DIR__)) . "/plugins.local/$name/.git");
+
 				?>
 
 				<fieldset class='prefs plugin'>
@@ -853,12 +855,19 @@ class Pref_Prefs extends Handler_Protected {
 						</input>
 					</label>
 
+					<?php if ($_SESSION["access_level"] >= 10 && $can_update) { ?>
+						<button dojoType='dijit.form.Button' onclick='Helpers.Plugins.updateLocal("<?= htmlspecialchars($name) ?>")'>
+							<?= \Controls\icon("update") ?>
+							<?= __("Update") ?>
+						</button>
+					<?php } ?>
+
 					<?php if (count($tmppluginhost->get_all($plugin)) > 0) {
 						if (in_array($name, $system_enabled) || in_array($name, $user_enabled)) { ?>
 							<button dojoType='dijit.form.Button'
-								onclick='Helpers.Prefs.clearPluginData("<?= htmlspecialchars($name) ?>")'>
+								onclick='Helpers.Plugins.clearPluginData("<?= htmlspecialchars($name) ?>")'>
 									<i class='material-icons'>clear</i> <?= __("Clear data") ?></button>
-					<?php }
+						<?php }
 					} ?>
 
 					<?php if ($about[4] ?? false) { ?>
@@ -937,6 +946,12 @@ class Pref_Prefs extends Handler_Protected {
 					<button dojoType='dijit.form.Button' class='alt-primary' type='submit'>
 						<?= __("Enable selected plugins") ?>
 					</button>
+					<?php if ($_SESSION["access_level"] >= 10) { ?>
+						<button dojoType='dijit.form.Button' onclick="Helpers.Plugins.updateLocal()">
+							<?= \Controls\icon("update") ?>
+							<?= __("Update local plugins") ?>
+						</button>
+					<?php } ?>
 				</div>
 			</div>
 		</form>
@@ -1073,6 +1088,59 @@ class Pref_Prefs extends Handler_Protected {
 		set_pref(Prefs::_ENABLED_PLUGINS, $plugins);
 	}
 
+	private function _update_plugin($root_dir, $plugin_name) {
+		$plugin_dir = "$root_dir/plugins.local/" . basename($plugin_name);
+		$rv = [];
+
+		if (is_dir($plugin_dir) && is_dir("$plugin_dir/.git")) {
+			$pipes = [];
+
+			$descriptorspec = [
+				0 => ["pipe", "r"], // STDIN
+				1 => ["pipe", "w"], // STDOUT
+				2 => ["pipe", "w"], // STDERR
+			];
+
+			$proc = proc_open("git pull --ff-only -q origin master", $descriptorspec, $pipes, $plugin_dir);
+
+			if (is_resource($proc)) {
+				$rv["o"] = stream_get_contents($pipes[1]);
+				$rv["e"] = stream_get_contents($pipes[2]);
+				$status = proc_close($proc);
+				$rv["s"] = $status;
+			}
+		}
+
+		return $rv;
+	}
+
+	function updateLocalPlugins() {
+		if ($_SESSION["access_level"] >= 10) {
+			$plugin_name = $_REQUEST["name"] ?? "";
+
+			# we're in classes/pref/
+			$root_dir = dirname(dirname(__DIR__));
+
+			$rv = [];
+
+			if (!empty($plugin_name)) {
+				array_push($rv, ["plugin" => $plugin_name, "rv" => $this->_update_plugin($root_dir, $plugin_name)]);
+			} else {
+				$plugin_dirs = array_filter(glob("$root_dir/plugins.local/*"), "is_dir");
+
+				foreach ($plugin_dirs as $dir) {
+					if (is_dir("$dir/.git")) {
+						$plugin_name = basename($dir);
+
+						array_push($rv, ["plugin" => $plugin_name, "rv" => $this->_update_plugin($root_dir, $plugin_name)]);
+					}
+				}
+			}
+
+			print json_encode($rv);
+		}
+	}
+
 	function clearplugindata() {
 		$name = clean($_REQUEST["name"]);
 
diff --git a/js/PrefHelpers.js b/js/PrefHelpers.js
index 62f6d91b1..125cc20d0 100644
--- a/js/PrefHelpers.js
+++ b/js/PrefHelpers.js
@@ -278,20 +278,72 @@ const	Helpers = {
 				});
 			}
 		},
+		refresh: function() {
+			xhr.post("backend.php", { op: "pref-prefs" }, (reply) => {
+				dijit.byId('prefsTab').attr('content', reply);
+				Notify.close();
+			});
+		},
+	},
+	Plugins: {
 		clearPluginData: function(name) {
 			if (confirm(__("Clear stored data for this plugin?"))) {
 				Notify.progress("Loading, please wait...");
 
-				xhr.post("backend.php", {op: "pref-prefs", method: "clearplugindata", name: name}, () => {
+				xhr.post("backend.php", {op: "pref-prefs", method: "clearPluginData", name: name}, () => {
 					Helpers.Prefs.refresh();
 				});
 			}
 		},
-		refresh: function() {
-			xhr.post("backend.php", { op: "pref-prefs" }, (reply) => {
-				dijit.byId('prefsTab').attr('content', reply);
-				Notify.close();
-			});
+		updateLocal: function(name = null) {
+			const msg = name ? __("Update %p using git?").replace("%p", name) :
+				__("Update all local plugins using git?");
+
+			if (confirm(msg)) {
+
+				const dialog = new fox.SingleUseDialog({
+					title: __("Plugin Updater"),
+					content: `
+						<ul class="panel panel-scrollable update-results">
+							<li>${__("Loading, please wait...")}</li>
+						</ul>
+
+						<footer class="text-center">
+							${App.FormFields.submit_tag(__("Close this window"))}
+						</footer>
+					`,
+				});
+
+				const tmph = dojo.connect(dialog, 'onShow', function () {
+					dojo.disconnect(tmph);
+
+					xhr.json("backend.php", {op: "pref-prefs", method: "updateLocalPlugins", name: name}, (reply) => {
+						const container = dialog.domNode.querySelector(".update-results");
+
+						if (!reply) {
+							container.innerHTML = __("Operation failed: check event log.");
+						} else {
+							container.innerHTML = "";
+
+							reply.forEach((p) => {
+								container.innerHTML +=
+								`
+								<li><h3 style="margin-top: 0">${p.plugin}</h3>
+									${p.rv.e ? `<pre class="small text-error">${p.rv.e}</pre>` : ''}
+									${p.rv.o ? `<pre class="small text-success">${p.rv.o}</pre>` : ''}
+									<p class="small">
+										${p.rv.s ? __("Exited with RC: %d").replace("%d", p.rv.s) : __("OK")}
+									</p>
+								</li>
+								`
+							});
+						}
+					});
+
+				});
+
+				dialog.show();
+			}
 		},
 	},
 	OPML: {