mailn

2026-04-30 15:14:09 +03:00
parent 08fe53fa5c
commit e5a88665cd
25 changed files with 13697 additions and 0 deletions
@@ -0,0 +1,153 @@
+<?php
+/**
+ * Flickr URL Parser - extracts photo info from various Flickr URL formats
+ * Compatible with PHP 7.2+
+ */
+
+class FlickrParser
+{
+    /**
+     * Flickr image size suffixes
+     * https://www.flickr.com/services/api/misc.urls.html
+     */
+    const SIZES = [
+        'Square' => '_s',      // 75x75
+        'LargeSquare' => '_q', // 150x150
+        'Thumbnail' => '_t',   // 100 on longest side
+        'Small' => '_m',       // 240 on longest side
+        'Small320' => '_n',    // 320 on longest side
+        'Medium' => '',        // 500 on longest side
+        'Medium640' => '_z',   // 640 on longest side
+        'Medium800' => '_c',   // 800 on longest side
+        'Large' => '_b',       // 1024 on longest side
+        'Large1600' => '_h',   // 1600 on longest side
+        'Large2048' => '_k',   // 2048 on longest side
+        'Original' => '_o',    // original image
+    ];
+
+    /**
+     * Parse a Flickr URL and extract photo information
+     *
+     * @param string $url Flickr URL
+     * @return array|null Photo info or null if not a valid Flickr URL
+     */
+    public function parse($url)
+    {
+        $url = trim($url);
+
+        // Direct image URL
+        if (preg_match('/staticflickr\.com\/\d+\/(\d+)_([a-f0-9]+)(_[a-z])?\.(\w+)/i', $url, $matches)) {
+            return [
+                'photo_id' => $matches[1],
+                'secret' => $matches[2],
+                'size_suffix' => isset($matches[3]) ? $matches[3] : '',
+                'format' => $matches[4],
+                'type' => 'direct',
+                'original_url' => $url,
+            ];
+        }
+
+        // Photo page URL
+        if (preg_match('/flickr\.com\/photos\/[^\/]+\/(\d+)/i', $url, $matches)) {
+            return [
+                'photo_id' => $matches[1],
+                'type' => 'page',
+                'original_url' => $url,
+            ];
+        }
+
+        // Short URL (flic.kr)
+        if (preg_match('/flic\.kr\/p\/([a-zA-Z0-9]+)/i', $url, $matches)) {
+            $photoId = $this->decodeBase58($matches[1]);
+            return [
+                'photo_id' => $photoId,
+                'type' => 'short',
+                'original_url' => $url,
+            ];
+        }
+
+        return null;
+    }
+
+    /**
+     * Parse multiple URLs (one per line or comma-separated)
+     *
+     * @param string $input Input text with URLs
+     * @return array Array of parsed photo info
+     */
+    public function parseMultiple($input)
+    {
+        $results = [];
+
+        // Split by newlines and commas
+        $lines = preg_split('/[\r\n,]+/', $input);
+
+        foreach ($lines as $line) {
+            $url = trim($line);
+            if (empty($url)) continue;
+
+            $parsed = $this->parse($url);
+            if ($parsed) {
+                $results[] = $parsed;
+            }
+        }
+
+        return $results;
+    }
+
+    /**
+     * Build a direct image URL from photo info
+     *
+     * @param array $photoInfo Photo information
+     * @param string $size Size name from SIZES constant
+     * @return string Direct image URL
+     */
+    public function buildImageUrl($photoInfo, $size = 'Large')
+    {
+        $suffix = isset(self::SIZES[$size]) ? self::SIZES[$size] : self::SIZES['Large'];
+
+        $server = isset($photoInfo['server']) ? $photoInfo['server'] : '65535';
+        $photoId = $photoInfo['photo_id'];
+        $secret = isset($photoInfo['secret']) ? $photoInfo['secret'] : (isset($photoInfo['originalsecret']) ? $photoInfo['originalsecret'] : '');
+        $format = isset($photoInfo['format']) ? $photoInfo['format'] : (isset($photoInfo['originalformat']) ? $photoInfo['originalformat'] : 'jpg');
+
+        // For original size, use originalsecret if available
+        if ($size === 'Original' && isset($photoInfo['originalsecret'])) {
+            $secret = $photoInfo['originalsecret'];
+            $format = isset($photoInfo['originalformat']) ? $photoInfo['originalformat'] : 'jpg';
+        }
+
+        return "https://live.staticflickr.com/{$server}/{$photoId}_{$secret}{$suffix}.{$format}";
+    }
+
+    /**
+     * Decode Flickr's base58 short URL to photo ID
+     *
+     * @param string $encoded Base58 encoded string
+     * @return string Photo ID
+     */
+    private function decodeBase58($encoded)
+    {
+        $alphabet = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ';
+        $base = strlen($alphabet);
+        $decoded = '0';
+
+        for ($i = 0; $i < strlen($encoded); $i++) {
+            $pos = strpos($alphabet, $encoded[$i]);
+            $decoded = bcmul($decoded, (string)$base);
+            $decoded = bcadd($decoded, (string)$pos);
+        }
+
+        return $decoded;
+    }
+
+    /**
+     * Get available sizes
+     *
+     * @return array Size names
+     */
+    public function getAvailableSizes()
+    {
+        return array_keys(self::SIZES);
+    }
+}