handleBase64Image($content); $content = $this->handleRemoteImage($content); return trim($content); } protected function handleBase64Image($content) { $content = preg_replace("/data-ke-src=\"(.*?)\"/", '', $content); preg_match_all('/src="(data:image\/(\S+);base64,(\S+))"/U', $content, $matches); if (count($matches[3]) > 0) { foreach ($matches[3] as $key => $value) { $imageUrl = $this->uploadBase64Image($matches[3][$key], $matches[2][$key]); $content = str_replace($matches[1][$key], $imageUrl, $content); } } return $content; } protected function handleRemoteImage($content) { $baseUrl = $this->getBaseUrl(); preg_match_all('/ 0) { foreach ($matches[1] as $key => $value) { if (!Text::startsWith($value, $baseUrl)) { $imageUrl = $this->uploadRemoteImage($value); $content = str_replace($value, $imageUrl, $content); } } } return $content; } protected function uploadBase64Image($encodeContent, $extension) { $keyName = $this->generateFileName($extension, '/img/content/'); $content = base64_decode($encodeContent); $md5 = md5($content); $uploadRepo = new UploadRepo(); $upload = $uploadRepo->findByMd5($md5); if (!$upload) { $uploadPath = $this->putString($keyName, $content); if ($uploadPath) { $upload = new UploadModel(); $upload->type = UploadModel::TYPE_CONTENT_IMG; $upload->mime = FileInfo::getMimeTypeByExt($extension); $upload->name = pathinfo($uploadPath, PATHINFO_BASENAME); $upload->size = strlen($content); $upload->path = $uploadPath; $upload->md5 = $md5; $upload->create(); } $imageUrl = $uploadPath ? $this->getImageUrl($uploadPath) : ''; } else { $imageUrl = $this->getImageUrl($upload->path); } return $imageUrl; } protected function uploadRemoteImage($remoteUrl) { $extension = $this->getImageExtension($remoteUrl); $content = file_get_contents($remoteUrl); if ($content === false) return $remoteUrl; $keyName = $this->generateFileName($extension, '/img/content/'); $md5 = md5($content); $uploadRepo = new UploadRepo(); $upload = $uploadRepo->findByMd5($md5); if (!$upload) { $uploadPath = $this->putString($keyName, $content); if ($uploadPath) { $upload = new UploadModel(); $upload->type = UploadModel::TYPE_CONTENT_IMG; $upload->mime = FileInfo::getMimeTypeByExt($extension); $upload->name = pathinfo($uploadPath, PATHINFO_BASENAME); $upload->size = strlen($content); $upload->path = $uploadPath; $upload->md5 = $md5; $upload->create(); } $imageUrl = $uploadPath ? $this->getImageUrl($uploadPath) : $remoteUrl; } else { $imageUrl = $this->getImageUrl($upload->path); } return $imageUrl; } /** * 例如：https://abc.com/123.jpg!large，这类不规范地址，需要特殊处理 * * @param string $imageUrl * @return string */ protected function getImageExtension($imageUrl) { $path = parse_url($imageUrl, PHP_URL_PATH); preg_match('/(\S+)\.(png|gif|jpg|jpeg|webp)/i', $path, $matches); return $matches[2] ? strtolower($matches[2]) : 'jpg'; } }