更新

2026-10-17 16:08:24 +08:00
parent c67b3eff69
commit 56f85f7d89
57 changed files with 4170 additions and 57 deletions
@@ -950,7 +950,9 @@ class DifyChatService
        bool $final = false
    ): void {
        $buffer .= $chunk;
-        while (preg_match('/(?:\r\n|\r|\n){2}/', $buffer, $match, PREG_OFFSET_CAPTURE) === 1) {
+        // Keep CRLF atomic: otherwise regex backtracking can count a single CRLF
+        // as two line breaks and decode a multi-line event before it is complete.
+        while (preg_match('/(?>\r\n|\r|\n){2}/', $buffer, $match, PREG_OFFSET_CAPTURE) === 1) {
            $delimiter = $match[0][0];
            $offset = $match[0][1];
            $frame = substr($buffer, 0, $offset);