From f15c700ad2ed2f5512a5574ab29f85c4848039e4 Mon Sep 17 00:00:00 2001
From: Mark Weiman <mark.weiman@markzz.com>
Date: Mon, 5 Feb 2018 21:54:56 -0500
Subject: Add capability for co-maintainers to disown packages

Implements FS#53832.

Signed-off-by: Mark Weiman <mark.weiman@markzz.com>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
---
 web/html/pkgbase.php             |  3 +++
 web/html/pkgdisown.php           | 13 ++++++++++---
 web/lib/pkgbasefuncs.inc.php     | 12 ++++++++++--
 web/template/pkgbase_actions.php |  2 +-
 4 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/web/html/pkgbase.php b/web/html/pkgbase.php
index 03b0eee4..cf9a6c60 100644
--- a/web/html/pkgbase.php
+++ b/web/html/pkgbase.php
@@ -60,6 +60,9 @@ if (check_token()) {
 			$output = __("The selected packages have not been disowned, check the confirmation checkbox.");
 			$ret = false;
 		}
+	} elseif (current_action("do_DisownComaintainer")) {
+		$uid = uid_from_sid($_COOKIE["AURSID"]);
+		list($ret, $output) = pkgbase_remove_comaintainer($base_id, $uid);
 	} elseif (current_action("do_Vote")) {
 		list($ret, $output) = pkgbase_vote($ids, true);
 	} elseif (current_action("do_UnVote")) {
diff --git a/web/html/pkgdisown.php b/web/html/pkgdisown.php
index 4b04e85e..8da08cfe 100644
--- a/web/html/pkgdisown.php
+++ b/web/html/pkgdisown.php
@@ -7,10 +7,13 @@ include_once("pkgfuncs.inc.php");
 
 html_header(__("Disown Package"));
 
+$action = "do_Disown";
+
 $maintainer_uids = array(pkgbase_maintainer_uid($base_id));
 $comaintainers = pkgbase_get_comaintainers($base_id);
+$comaintainer_uids = pkgbase_get_comaintainer_uids(array($base_id));
 
-if (has_credential(CRED_PKGBASE_DISOWN, $maintainer_uids)): ?>
+if (has_credential(CRED_PKGBASE_DISOWN, array_merge($maintainer_uids, $comaintainer_uids))): ?>
 <div class="box">
 	<h2><?= __('Disown Package') ?>: <?= htmlspecialchars($pkgbase_name) ?></h2>
 	<p>
@@ -23,7 +26,11 @@ if (has_credential(CRED_PKGBASE_DISOWN, $maintainer_uids)): ?>
 		<?php endforeach; ?>
 	</ul>
 	<p>
-		<?php if (count($comaintainers) > 0 && !has_credential(CRED_PKGBASE_DISOWN)): ?>
+
+		<?php if (in_array(uid_from_sid($_COOKIE["AURSID"]), $comaintainer_uids) && !has_credential(CRED_PKGBASE_DISOWN)):
+			$action = "do_DisownComaintainer"; ?>
+			<?= __("By selecting the checkbox, you confirm that you want to no longer be a package co-maintainer.") ?>
+		<?php elseif (count($comaintainers) > 0 && !has_credential(CRED_PKGBASE_DISOWN)): ?>
 		<?= __('By selecting the checkbox, you confirm that you want to disown the package and transfer ownership to %s%s%s.',
 			'<strong>', $comaintainers[0], '</strong>'); ?>
 		<?php else: ?>
@@ -40,7 +47,7 @@ if (has_credential(CRED_PKGBASE_DISOWN, $maintainer_uids)): ?>
 			<?php endif; ?>
 			<p><label class="confirmation"><input type="checkbox" name="confirm" value="1" />
 			<?= __("Confirm to disown the package") ?></label</p>
-			<p><input type="submit" class="button" name="do_Disown" value="<?= __("Disown") ?>" /></p>
+			<p><input type="submit" class="button" name="<?= $action ?>" value="<?= __("Disown") ?>" /></p>
 		</fieldset>
 	</form>
 </div>
diff --git a/web/lib/pkgbasefuncs.inc.php b/web/lib/pkgbasefuncs.inc.php
index ff1bc901..16f95dac 100644
--- a/web/lib/pkgbasefuncs.inc.php
+++ b/web/lib/pkgbasefuncs.inc.php
@@ -1158,11 +1158,12 @@ function pkgbase_get_comaintainer_uids($base_ids) {
  *
  * @param int $base_id The package base ID to update the co-maintainers of
  * @param array $users Array of co-maintainer user names
+ * @param boolean $override Override credential check if true
  *
  * @return array Tuple of success/failure indicator and error message
  */
-function pkgbase_set_comaintainers($base_id, $users) {
-	if (!has_credential(CRED_PKGBASE_EDIT_COMAINTAINERS, array(pkgbase_maintainer_uid($base_id)))) {
+function pkgbase_set_comaintainers($base_id, $users, $override=false) {
+	if (!$override && !has_credential(CRED_PKGBASE_EDIT_COMAINTAINERS, array(pkgbase_maintainer_uid($base_id)))) {
 		return array(false, __("You are not allowed to manage co-maintainers of this package base."));
 	}
 
@@ -1213,3 +1214,10 @@ function pkgbase_set_comaintainers($base_id, $users) {
 
 	return array(true, __("The package base co-maintainers have been updated."));
 }
+
+function pkgbase_remove_comaintainer($base_id, $uid) {
+	$uname = username_from_id($uid);
+	$names = pkgbase_get_comaintainers($base_id);
+	$names = array_diff($names, array($uname));
+	return pkgbase_set_comaintainers($base_id, $names, true);
+}
diff --git a/web/template/pkgbase_actions.php b/web/template/pkgbase_actions.php
index d3f05921..5eee5478 100644
--- a/web/template/pkgbase_actions.php
+++ b/web/template/pkgbase_actions.php
@@ -41,7 +41,7 @@
 
 			<?php if ($uid && $row["MaintainerUID"] === NULL): ?>
 			<li><?= html_action_form($base_uri . 'adopt/', "do_Adopt", __('Adopt Package')) ?></li>
-			<?php elseif (has_credential(CRED_PKGBASE_DISOWN, array($row["MaintainerUID"]))): ?>
+			<?php elseif (has_credential(CRED_PKGBASE_DISOWN, array_merge(array($row["MaintainerUID"]), pkgbase_get_comaintainer_uids(array($base_id))))): ?>
 			<li><?= html_action_form($base_uri . 'disown/', "do_Disown", __('Disown Package')) ?></li>
 			<?php endif; ?>
 		</ul>
-- 
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