check if dir can be created

[surrogator.git] / surrogator.php

diff --git a/surrogator.php b/surrogator.php
old mode 100644 (file)
new mode 100755 (executable)
index e48190e..6270cdc
--- a/surrogator.php
+++ b/surrogator.php
@@ -1,27 +1,124 @@
+#!/usr/bin/env php
 <?php
-require __DIR__ . '/data/surrogator.config.php';
+namespace surrogator;
+$cfgFile = __DIR__ . '/data/surrogator.config.php';
+if (!file_exists($cfgFile)) {
+    $cfgFile = '/etc/surrogator.config.php';
+    if (!file_exists($cfgFile)) {
+        logErr(
+            "Configuration file does not exist.\n"
+            . "Copy data/surrogator.config.php.dist to data/surrogator.config.php"
+        );
+        exit(2);
+    }
+}
+require $cfgFile;
+
+array_shift($argv);
+$files = array();
+foreach ($argv as $arg) {
+    if ($arg == '-v' || $arg == '--verbose') {
+        ++$logLevel;
+    } else if ($arg == '-vv') {
+        $logLevel += 2;
+    } else if ($arg == '-q' || $arg == '--quiet') {
+        $logLevel = 0;
+    } else if ($arg == '-f' || $arg == '--force') {
+        $forceUpdate = true;
+    } else if ($arg == '-h' || $arg == '--help') {
+        showHelp();
+        exit(4);
+    } else if ($arg == '--version') {
+        echo "surrogator 0.0.1\n";
+        exit();
+    } else if (file_exists($arg)) {
+        $files[] = $arg;
+    } else {
+        logErr('Unknown argument: ' . $arg);
+        exit(3);
+    }
+}
+
+function showHelp()
+{
+    echo <<<HLP
+Usage: php surrogator.php [options] [filename(s)]
+
+surrogator - a simple libravatar server
+ Put files in raw/ dir and run surrogator.php to generate different sizes
+
+Options:
+
+ -h, --help     Show help
+ -v, --verbose  Be verbose (more log messages, also -vv)
+ -q, --quiet    Be quiet (no log messages)
+ -f, --force    Force update of all files
+     --version  Show program version
+
+filenames       One or several files whose small images shall get generated.
+                If none given, all will be checked
+
+HLP;
+}
+
+if (!isset($rawDir)) {
+    logErr('$rawDir not set');
+    exit(1);
+}
+if (!isset($varDir)) {
+    logErr('$varDir not set');
+    exit(1);
+}
+if (!isset($sizes)) {
+    logErr('$sizes not set');
+    exit(1);
+}
+if (!isset($maxSize)) {
+    logErr('$maxSize not set');
+    exit(1);
+}
+if (!isset($logLevel)) {
+    logErr('$logLevel not set');
+    exit(1);
+}
+
 
 if (!is_dir($varDir . '/square')) {
-    mkdir($varDir . '/square', 0755, true);
+    log('creating square dir: ' . $varDir . '/square');
+    if (!mkdir($varDir . '/square', 0755, true)) {
+        logErr('cannot create square dir');
+        exit(5);
+    }
 }
+log('sizes: ' . implode(', ', $sizes), 2);
 foreach ($sizes as $size) {
     if (!is_dir($varDir . '/' . $size)) {
+        log('creating size dir: ' . $varDir . '/' . $size);
         mkdir($varDir . '/' . $size, 0755);
     }
 }
 
-$dir = new RegexIterator(
-    new DirectoryIterator($rawDir),
-    '#^.+@.+\.(png|jpg)$#'
-);
-foreach ($dir as $fileInfo) {
+if (count($files)) {
+    $fileInfos = array();
+    foreach ($files as $file) {
+        $fileInfos[] = new \SplFileInfo($file);
+    }
+} else {
+    $fileInfos = new \RegexIterator(
+        new \DirectoryIterator($rawDir),
+        '#^.+\.(png|jpg)$#'
+    );
+}
+foreach ($fileInfos as $fileInfo) {
     $origPath   = $fileInfo->getPathname();
     $fileName   = $fileInfo->getFilename();
     $ext        = strtolower(substr($fileName, strrpos($fileName, '.') + 1));
     $squarePath = $varDir . '/square/'
         . substr($fileName, 0, -strlen($ext)) . 'png';
 
+    log('processing ' . $fileName, 1);
     if (image_uptodate($origPath, $squarePath)) {
+        log(' image up to date', 2);
         continue;
     }
 
@@ -29,10 +126,18 @@ foreach ($dir as $fileInfo) {
         continue;
     }
 
-    list($md5, $sha256) = getHashes($fileName);
+    if ($fileName == 'default.png') {
+        $md5 = $sha256 = 'default';
+    } else {
+        list($md5, $sha256) = getHashes($fileName);
+    }
 
+    log(' creating sizes for ' . $fileName, 2);
+    log(' md5:    ' . $md5, 3);
+    log(' sha256: ' . $sha256, 3);
     $imgSquare = imagecreatefrompng($squarePath);
     foreach ($sizes as $size) {
+        log(' size ' . $size, 3);
         $sizePathMd5    = $varDir . '/' . $size . '/' . $md5 . '.png';
         $sizePathSha256 = $varDir . '/' . $size . '/' . $sha256 . '.png';
 
@@ -56,7 +161,6 @@ foreach ($dir as $fileInfo) {
     imagedestroy($imgSquare);
 }
 
-
 function getHashes($fileName)
 {
     $fileNameNoExt = substr($fileName, 0, -strlen(strrpos($fileName, '.')) - 2);
@@ -80,10 +184,7 @@ function createSquare($origPath, $ext, $targetPath, $maxSize)
     }
 
     if ($imgOrig === false) {
-        file_put_contents(
-            'php://stderr',
-            'Error loading image file: ' . $origPath
-        );
+        logErr('Error loading image file: ' . $origPath);
         return false;
     }
 
@@ -123,10 +224,13 @@ function createSquare($origPath, $ext, $targetPath, $maxSize)
 
 function image_uptodate($sourcePath, $targetPath)
 {
+    global $forceUpdate;
+    if ($forceUpdate) {
+        return false;
+    }
     if (!file_exists($targetPath)) {
         return false;
     }
-
     if (filemtime($sourcePath) > filemtime($targetPath)) {
         //source newer
         return false;
@@ -135,4 +239,17 @@ function image_uptodate($sourcePath, $targetPath)
     return true;
 }
 
+function log($msg, $level = 1)
+{
+    global $logLevel;
+    if ($level <= $logLevel) {
+        echo $msg . "\n";
+    }
+}
+
+function logErr($msg)
+{
+    file_put_contents('php://stderr', $msg . "\n");
+}
+
 ?>