1 files changed, 95 insertions, 0 deletions
diff --git a/common.php b/common.php
new file mode 100644
index 0000000..e355eba
--- /dev/null
+++ b/common.php
@@ -0,0 +1,95 @@
+<?php
+
+require_once __DIR__.'/vendor/autoload.php';
+
+error_reporting(E_ALL);
+ini_set('display_errors', 1);
+
+define('FAKE_USER_AGENT', 'User-Agent: VKDesktopMessenger/5.0.1 (darwin; 19.6.0; x64)');
+define('ACCESS_TOKEN', '');
+define('ARCHIVE_DIR', '');
+
+function fatalError(string $message) {
+    fprintf(STDERR, "error: ".$message."\n");
+    exit(1);
+}
+
+/**
+ * @param string $str
+ * @param callable|null $message_callback
+ * @param callable|null $photo_callback
+ * @return simplehtmldom\HtmlDocument
+ * @throws Exception
+ */
+function onEachMessageOrAttachment(string $str, ?callable $message_callback, ?callable $photo_callback) {
+    $doc = new simplehtmldom\HtmlDocument($str,
+        /* $lowercase       */ true,
+        /* $forceTagsClosed */ true,
+        /* $target_charset  */ simplehtmldom\DEFAULT_TARGET_CHARSET,
+        /* $stripRN         */ false
+    );
+    if (!$doc)
+        throw new Exception('failed to parse html');
+
+    $nodes = $doc->find('.message');
+    if (!count($nodes))
+        throw new Exception('no message nodes found');
+
+    foreach ($nodes as $node) {
+        $kludges = $node->find('.kludges');
+        if (empty($kludges))
+            continue;
+
+        $attachments = $kludges[0]->find('.attachment');
+        if (empty($attachments))
+            continue;
+
+        $message_id = $node->getAttribute('data-id');
+        if (!is_null($message_callback))
+            $message_callback($doc, $message_id, $node);
+
+        foreach ($attachments as $attachment) {
+            $desc = $attachment->find('.attachment__description');
+            if (empty($desc) || $desc[0]->innertext != 'Фотография')
+                continue;
+
+            $link_node = $attachment->find('a.attachment__link');
+            if (!$link_node)
+                continue;
+
+            $href = $link_node[0]->href;
+            if (strpos($href, 'https://vk.com/im?sel') !== false)
+                continue;
+
+            if (!is_null($photo_callback))
+                $photo_callback($doc, $href, $link_node[0]);
+        }
+    }
+
+    return $doc;
+}
+
+function httpPost(string $url, array $fields = []): array {
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_POST, true);
+    curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
+    curl_setopt($ch, CURLOPT_USERAGENT, FAKE_USER_AGENT);
+    $body = curl_exec($ch);
+    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+    curl_close($ch);
+    return [$code, $body];
+}
+
+function httpGet(string $url): array {
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+    curl_setopt($ch, CURLOPT_USERAGENT, FAKE_USER_AGENT);
+    $body = curl_exec($ch);
+    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+    curl_close($ch);
+    return [$code, $body];
+}