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<?php |
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/** |
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* Simple Machines Forum (SMF) |
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* |
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* @package SMF |
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* @author Simple Machines https://www.simplemachines.org |
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* @copyright 2020 Simple Machines and individual contributors |
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* @license https://www.simplemachines.org/about/smf/license.php BSD |
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* |
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* @version 2.1 RC3 |
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*/ |
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// Debug stuff. |
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define('DEBUG_MODE', false); |
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if (DEBUG_MODE) |
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debugPrint("--- DEBUG MSGS START ---"); |
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// First, lets do a basic test. This is non GPG signed commits. |
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$signedoff = find_signed_off(); |
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// Now Try to test for the GPG if we don't have a message. |
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if (empty($signedoff)) |
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$signedoff = find_gpg(); |
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// Nothing yet? Lets ask your parents. |
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if (empty($signedoff) && isset($_SERVER['argv'], $_SERVER['argv'][1]) && $_SERVER['argv'][1] == 'travis') |
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$signedoff = find_signed_off_parents(); |
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if (DEBUG_MODE) |
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debugPrint("--- DEBUG MSGS END ---"); |
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// Nothing? Well darn. |
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if (empty($signedoff)) |
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{ |
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fwrite(STDERR, 'Error: Signed-off-by not found in commit message'); |
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exit(1); |
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} |
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elseif (DEBUG_MODE) |
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debugPrint('Valid signed off found'); |
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// Find a commit by Signed Off |
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function find_signed_off($commit = 'HEAD', $childs = array(), $level = 0) |
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{ |
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$commit = trim($commit); |
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// Where we are at. |
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debugPrint('Attempting to find signed off on commit ' . $commit); |
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// To many recrusions here. |
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if ($level > 10) |
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{ |
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debugPrint('Recusion limit exceeded on find_signed_off'); |
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return false; |
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} |
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// What string tests should we look for? |
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$stringTests = array('Signed-off-by:', 'Signed by'); |
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// Get message data and clean it up, should only need the last line. |
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$message = trim(shell_exec('git show -s --format=%B ' . $commit)); |
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$lines = explode("\n", trim(str_replace("\r", "\n", $message))); |
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$lastLine = $lines[count($lines) - 1]; |
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// Debug info. |
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debugPrint('Testing line "' . $lastLine . '"'); |
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// loop through each test and find one. |
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$result = false; |
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foreach ($stringTests as $testedString) |
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{ |
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debugPrint('Testing "' . $testedString . '"'); |
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$result = stripos($lastLine, $testedString); |
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// We got a result. |
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if ($result !== false) |
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{ |
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debugPrint('Found "' . $testedString . '"'); |
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break; |
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} |
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} |
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// Debugger. |
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$debugMsgs = array( |
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'raw body' => '"' . rtrim(shell_exec('git show -s --format=%B ' . $commit)) . '"', |
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'body' => '"' . rtrim(shell_exec('git show -s --format=%b ' . $commit)) . '"', |
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'commit notes' => '"' . rtrim(shell_exec('git show -s --format=%N ' . $commit)) . '"', |
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'ref names' => '"' . rtrim(shell_exec('git show -s --format=%d ' . $commit)) . '"', |
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'commit hash' => '"' . rtrim(shell_exec('git show -s --format=%H ' . $commit)) . '"', |
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'tree hash' => '"' . rtrim(shell_exec('git show -s --format=%T ' . $commit)) . '"', |
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'parent hash' => '"' . rtrim(shell_exec('git show -s --format=%P ' . $commit)) . '"', |
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'result' => '"' . $result . '"', |
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'testedString' => '"' . $testedString . '"', |
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); |
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debugPrint('Commit ' . $commit . ' at time ' . time() . ": " . rtrim(print_r($debugMsgs, true))); |
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// No result and found a merge? Lets go deeper. |
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if ($result === false && preg_match('~Merge ([A-Za-z0-9]{40}) into ([A-Za-z0-9]{40})~i', $lastLine, $merges)) |
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{ |
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debugPrint('Found Merge, attempting to get more parent commit: ' . $merges[1]); |
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return find_signed_off($merges[1], array_merge(array($merges[1]), $childs), ++$level); |
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} |
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return $result !== false; |
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} |
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// Find a commit by GPG |
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function find_gpg($commit = 'HEAD', $childs = array()) |
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{ |
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$commit = trim($commit); |
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debugPrint('Attempting to Find GPG on commit ' . $commit); |
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// Get verify commit data. |
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$message = trim(shell_exec('git verify-commit ' . $commit . ' -v --raw')); |
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// Should we actually test for gpg results? Perhaps, but it seems doing that with travis may fail since it has no way to verify a GPG signature from GitHub. GitHub should have prevented a bad GPG from making a commit to a authors repository and could be trusted in most cases it seems. |
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$result = strlen($message) > 0; |
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// Debugger. |
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$debugMsgs = array( |
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// Raw body. |
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'verify-commit' => '"' . rtrim(shell_exec('git verify-commit ' . $commit . ' -v --raw')) . '"', |
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// Result. |
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'result' => '"' . $result . '"', |
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// Last tested string, or the correct string. |
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'message' => '"' . $message . '"', |
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); |
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debugPrint('Commit ' . $commit . ' at time ' . time() . ": " . rtrim(print_r($debugMsgs, true))); |
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return $result; |
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} |
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// Looks at all the parents, and tries to find a signed off by somewhere. |
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function find_signed_off_parents($commit = 'HEAD') |
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{ |
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$commit = trim($commit); |
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debugPrint('Attempting to find parents on commit ' . $commit); |
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$parentsRaw = rtrim(shell_exec('git show -s --format=%P ' . $commit)); |
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$parents = explode(' ', $parentsRaw); |
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// Test each one. |
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foreach ($parents as $p) |
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{ |
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$p = trim($p); |
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debugPrint('Testing parent of ' . $commit . ' for signed off'); |
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// Basic tests. |
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$test = find_signed_off($p); |
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// No, maybe it has a GPG parent. |
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if (empty($test)) |
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$test = find_gpg($p); |
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if (!empty($test)) |
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return $test; |
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} |
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// Lucked out. |
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return false; |
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} |
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// Print a debug line |
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function debugPrint($msg) |
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{ |
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if (DEBUG_MODE) |
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echo $msg, "\n"; |
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} |
SimpleMachines /
SMF2.1
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