Add DownloadLinkFetcher

Author: Ayesh

src/DownloadLinkFetcher.php

@@ -0,0 +1,124 @@
+<?php
+
+namespace PHPWatch\PHPCommitBuilder;
+class DownloadLinkFetcher {
+    public function getLinksForTag(string $tag): array {
+        $return = [];
+
+        $urls = $this->getWindowsLinks($tag);
+        $urlStatus = $this->getMultiUrlStatus($urls);
+
+        foreach ($urls as $type => $links) {
+            foreach ($links as $link) {
+                if (isset($urlStatus[$link])) {
+                    $return[$type] = [
+                        'url' => $link,
+                        'size' => $urlStatus[$link],
+                    ];
+                }
+            }
+        }
+
+        $sourceLinks = $this->getSourceLinks($tag);
+        $return['zip'] = ['url' => $sourceLinks['zip']];
+        $return['tar'] = ['url' => $sourceLinks['tar']];
+
+        return $return;
+    }
+    private function getSourceLinks(string $tag): array {
+        return [
+            'zip' => 'https://api.github.com/repos/php/php-src/zipball/refs/tags/' . $tag,
+            'tar' => 'https://api.github.com/repos/php/php-src/tarball/refs/tags/' . $tag,
+        ];
+    }
+
+    private function getWindowsLinks(string $tag): array {
+        $folder = 'releases/archives';
+        $folder_alt = 'releases';
+
+        if (preg_match('/^php-[\d.]+0(alpha|beta|rc|RC)\d$/', $tag)) {
+            $folder = 'qa/archives';
+            $folder_alt = 'qa';
+        }
+
+        return [
+            'x64NTS'     => [
+                'https://windows.php.net/downloads/' . $folder . '/' . $tag .     '-nts-Win32-vs16-x64.zip',
+                'https://windows.php.net/downloads/' . $folder_alt . '/' . $tag . '-nts-Win32-vs16-x64.zip',
+            ],
+            'x64TS'      => [
+                'https://windows.php.net/downloads/' . $folder . '/' . $tag .     '-Win32-vs16-x64.zip',
+                'https://windows.php.net/downloads/' . $folder_alt . '/' . $tag . '-Win32-vs16-x64.zip',
+            ],
+            'x86NTS'     => [
+                'https://windows.php.net/downloads/' . $folder . '/' . $tag .     '-nts-Win32-vs16-x86.zip',
+                'https://windows.php.net/downloads/' . $folder_alt . '/' . $tag . '-nts-Win32-vs16-x86.zip',
+            ],
+            'x86TS'      => [
+                'https://windows.php.net/downloads/' . $folder . '/' . $tag .     '-Win32-vs16-x86.zip',
+                'https://windows.php.net/downloads/' . $folder_alt . '/' . $tag . '-Win32-vs16-x86.zip',
+            ],
+        ];
+    }
+
+    private function getMultiUrlStatus(array $urlsets): array {
+        $cm = curl_multi_init();
+        $handlers = [];
+
+        foreach ($urlsets as $type => $urls) {
+            foreach ($urls as $i => $url) {
+                $ch = curl_init($url);
+
+                $handlers[$type][$i] = $ch;
+
+                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+                curl_setopt($ch, CURLOPT_HEADER, true);
+                curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS | CURLPROTO_HTTP);
+                curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
+                curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
+                curl_setopt($ch, CURLOPT_TIMEOUT, 10);
+                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
+                curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
+                curl_setopt($ch, CURLOPT_ENCODING, '');
+                curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+                curl_setopt($ch, CURLOPT_TCP_KEEPALIVE, 1);
+                curl_setopt($ch, CURLOPT_NOBODY, true);
+                curl_setopt($ch, CURLOPT_USERAGENT, 'ayesh/curl-fetcher');
+
+                curl_multi_add_handle($cm, $ch);
+            }
+        }
+
+        do {
+            curl_multi_exec($cm, $running);
+            curl_multi_select($cm);
+        } while ($running > 0);
+
+        $completedUrls = [];
+
+        foreach ($handlers as $type => $urls) {
+            foreach ($urls as $i => $url) {
+                if (curl_getinfo($url, CURLINFO_HTTP_CODE) === 200) {
+                    $completedUrls[curl_getinfo($url, CURLINFO_EFFECTIVE_URL)] = curl_multi_getcontent($url);
+                }
+                curl_multi_remove_handle($cm, $url);
+            }
+        }
+
+        curl_multi_close($cm);
+
+        foreach ($completedUrls as &$headers) {
+            preg_match('/content-length: (?<size>\d+)\D/i', $headers, $matches);
+            if (!empty($matches['size'])) {
+                $headers = $matches['size'];
+            }
+            else {
+                throw new \LogicException('Content-length not matched');
+            }
+        }
+
+        return $completedUrls;
+    }
+
+}