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1 | <?php |
2 | /** |
3 | * Blueprint Import Service |
4 | * |
5 | * @package NewfoldLabs\WP\Module\Onboarding |
6 | */ |
7 | |
8 | namespace NewfoldLabs\WP\Module\Onboarding\Services\Blueprints; |
9 | |
10 | /** |
11 | * Blueprint Import Service |
12 | * |
13 | * This class handles the import of a blueprint package that is exported by... |
14 | * https://github.com/newfold-labs/wp-plugin-blueprint-exporter. |
15 | * |
16 | * The blueprint package is a zip file that contains a SQL file and a folder with |
17 | * the media files. |
18 | * |
19 | * The SQL file is processed to replace the source site URL with the target site URL. |
20 | * The media files are copied to the wp-content/uploads directory. |
21 | */ |
22 | class BlueprintImportService extends BlueprintsService { |
23 | |
24 | /** |
25 | * The resources source of the blueprint. |
26 | * |
27 | * @var string |
28 | */ |
29 | private $resources_url = ''; |
30 | |
31 | /** |
32 | * The temporary directory for the import. |
33 | * |
34 | * @var string |
35 | */ |
36 | private $temp_dir = ''; |
37 | |
38 | /** |
39 | * Import a blueprint. |
40 | * |
41 | * @param string $blueprint_resources_url The zip file source of the blueprint. |
42 | * @return true|\WP_Error True if the blueprint is imported, WP_Error if there is an error. |
43 | */ |
44 | public function import( string $blueprint_resources_url ) { |
45 | $this->resources_url = $blueprint_resources_url; |
46 | // Validate the blueprint resources source. |
47 | if ( ! $this->validate_blueprint_resources_url() ) { |
48 | return new \WP_Error( 'invalid_blueprint_resources_url', 'Invalid blueprint resources URL' ); |
49 | } |
50 | |
51 | try { |
52 | // Fetch the blueprint zip to be imported. |
53 | $blueprint_zip = $this->fetch_blueprint_zip(); |
54 | if ( \is_wp_error( $blueprint_zip ) ) { |
55 | return $blueprint_zip; |
56 | } |
57 | |
58 | // Unzip the blueprint zip. |
59 | $blueprint_processed = $this->process_blueprint_zip( $blueprint_zip ); |
60 | if ( \is_wp_error( $blueprint_processed ) ) { |
61 | return $blueprint_processed; |
62 | } |
63 | |
64 | return true; |
65 | } catch ( \Exception $e ) { |
66 | $this->cleanup_temp_dir(); |
67 | return new \WP_Error( 'blueprint_import_error', 'Blueprint import failed' ); |
68 | } |
69 | } |
70 | |
71 | /** |
72 | * Validate the blueprint resources source. |
73 | * |
74 | * @return bool True if the blueprint resources source is valid, false otherwise. |
75 | */ |
76 | private function validate_blueprint_resources_url(): bool { |
77 | $blueprint = $this->get_blueprint_by_resources_url( $this->resources_url ); |
78 | if ( empty( $blueprint ) ) { |
79 | return false; |
80 | } |
81 | |
82 | return true; |
83 | } |
84 | |
85 | /** |
86 | * Fetch the blueprint zip to temp file. |
87 | * |
88 | * @return string|\WP_Error The download temp file path or an error if the blueprint zip is not found. |
89 | */ |
90 | private function fetch_blueprint_zip() { |
91 | if ( ! function_exists( 'download_url' ) ) { |
92 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
93 | } |
94 | |
95 | $zip_file = \download_url( $this->resources_url ); |
96 | if ( \is_wp_error( $zip_file ) ) { |
97 | return new \WP_Error( 'blueprint_zip_download_failed', 'Blueprint zip download failed' ); |
98 | } |
99 | |
100 | return $zip_file; |
101 | } |
102 | |
103 | /** |
104 | * Process the blueprint zip. |
105 | * |
106 | * @param string $zip_file The path to the zip file. |
107 | * @return true|\WP_Error True if the blueprint zip is processed, WP_Error if there is an error. |
108 | */ |
109 | private function process_blueprint_zip( string $zip_file ) { |
110 | \WP_Filesystem(); |
111 | |
112 | /** |
113 | * The result of the blueprint import. |
114 | * |
115 | * @var true|\WP_Error |
116 | */ |
117 | $result = true; |
118 | |
119 | // Create the temporary working directory. |
120 | $this->temp_dir = \get_temp_dir() . 'blueprint-import/'; |
121 | // Delete working directory if it exists (clear existing exports). |
122 | if ( is_dir( $this->temp_dir ) ) { |
123 | $this->cleanup_temp_dir(); |
124 | } |
125 | // Create working directory. |
126 | if ( ! is_dir( $this->temp_dir ) ) { |
127 | \wp_mkdir_p( $this->temp_dir ); |
128 | } |
129 | |
130 | // Unzip the blueprint zip to the working directory. |
131 | $unzip_status = \unzip_file( $zip_file, $this->temp_dir ); |
132 | if ( \is_wp_error( $unzip_status ) ) { |
133 | @unlink( $zip_file ); |
134 | $result = new \WP_Error( 'blueprint_unzip_failed', 'Blueprint unzip failed' ); |
135 | } |
136 | @unlink( $zip_file ); |
137 | |
138 | // Process the SQL file |
139 | $sql_processed = $this->process_sql_file(); |
140 | if ( \is_wp_error( $sql_processed ) ) { |
141 | $result = $sql_processed; |
142 | } |
143 | |
144 | // Process media files |
145 | $media_processed = $this->process_media_files(); |
146 | if ( \is_wp_error( $media_processed ) ) { |
147 | $result = $media_processed; |
148 | } |
149 | |
150 | // Clean up the temporary directory. |
151 | $this->cleanup_temp_dir(); |
152 | |
153 | return $result; |
154 | } |
155 | |
156 | /** |
157 | * Process the SQL file. |
158 | * |
159 | * @return bool|\WP_Error True if the SQL file is processed, WP_Error if there is an error. |
160 | */ |
161 | private function process_sql_file() { |
162 | // Get the SQL file. |
163 | $sql_file = $this->temp_dir . 'blueprint.sql'; |
164 | if ( ! file_exists( $sql_file ) ) { |
165 | return new \WP_Error( 'sql_file_not_found', 'Blueprint SQL file not found' ); |
166 | } |
167 | |
168 | // Read the SQL file. |
169 | $sql_content = file_get_contents( $sql_file ); |
170 | if ( false === $sql_content || empty( $sql_content ) ) { |
171 | return new \WP_Error( 'sql_file_read_error', 'Could not read SQL file' ); |
172 | } |
173 | |
174 | // Perform search and replace. |
175 | $processed_sql_content = $this->search_replace( $sql_content ); |
176 | if ( \is_wp_error( $processed_sql_content ) ) { |
177 | return $processed_sql_content; |
178 | } |
179 | |
180 | // Insert the SQL content. |
181 | $insert_sql = $this->insert_sql( $processed_sql_content ); |
182 | if ( \is_wp_error( $insert_sql ) ) { |
183 | return $insert_sql; |
184 | } |
185 | |
186 | // Map the user posts. |
187 | $this->map_user_posts(); |
188 | |
189 | return true; |
190 | } |
191 | |
192 | /** |
193 | * Search and replace. |
194 | * |
195 | * @param string $sql_content The SQL content. |
196 | * @return string|\WP_Error The processed SQL content or an WP_Error if there is an error. |
197 | */ |
198 | private function search_replace( string $sql_content ) { |
199 | global $wpdb; |
200 | |
201 | /** |
202 | * Search and replace database prefix. |
203 | */ |
204 | $sql_content = str_replace( '{{PREFIX}}', $wpdb->prefix, $sql_content ); |
205 | |
206 | /** |
207 | * Search and replace site URL. |
208 | */ |
209 | // Get the source site URL. |
210 | $source_site_url = preg_match( '/-- Site URL: ([^\r\n]+)/', $sql_content, $matches ); |
211 | if ( empty( $source_site_url ) ) { |
212 | return new \WP_Error( 'source_site_url_not_found', 'Source site URL not found' ); |
213 | } |
214 | $source_site_url = trim( $matches[1] ?? '' ); |
215 | $source_site_url = rtrim( $source_site_url, '/' ); |
216 | |
217 | // Get the target site URL. |
218 | $target_site_url = home_url(); |
219 | $target_site_url = rtrim( $target_site_url, '/' ); |
220 | |
221 | // Replace URLs in content |
222 | $sql_content = str_replace( $source_site_url, $target_site_url, $sql_content ); |
223 | // Also handle URLs with trailing slashes |
224 | $sql_content = str_replace( $source_site_url . '/', $target_site_url . '/', $sql_content ); |
225 | |
226 | /** |
227 | * Search and replace any non-secure urls with secure urls. |
228 | */ |
229 | $non_secure_source_site_url = parse_url( $source_site_url, PHP_URL_HOST ); |
230 | $non_secure_source_site_url = 'http://' . $non_secure_source_site_url; |
231 | |
232 | // Replace URLs in content |
233 | $sql_content = str_replace( $non_secure_source_site_url, $target_site_url, $sql_content ); |
234 | // Also handle URLs with trailing slashes |
235 | $sql_content = str_replace( $non_secure_source_site_url . '/', $target_site_url . '/', $sql_content ); |
236 | |
237 | if ( empty( $sql_content ) ) { |
238 | return new \WP_Error( 'sql_search_replace_failed', 'SQL search and replace failed' ); |
239 | } |
240 | |
241 | return $sql_content; |
242 | } |
243 | |
244 | /** |
245 | * Insert the SQL content. |
246 | * |
247 | * @param string $sql_content The SQL content. |
248 | * @return bool|\WP_Error True if the SQL content is inserted, WP_Error if 75% or more of the SQL statements are not inserted. |
249 | */ |
250 | private function insert_sql( string $sql_content ) { |
251 | global $wpdb; |
252 | |
253 | // Extract the SQL statements from the SQL content. |
254 | $statements = $this->get_statements_from_sql( $sql_content ); |
255 | if ( empty( $statements ) ) { |
256 | return new \WP_Error( 'invalid_sql_content', 'Invalid SQL content. No statements found.' ); |
257 | } |
258 | |
259 | // Status trackers. |
260 | $errors = []; |
261 | $successful_count = 0; |
262 | $total_statements = 0; |
263 | |
264 | // Insert the SQL content. |
265 | foreach ( $statements as $statement ) { |
266 | $statement = trim( $statement ); |
267 | // Skip empty statements, comments, and SET statements. |
268 | if ( empty( $statement ) || strpos( $statement, '--' ) === 0 || strpos( $statement, 'SET' ) === 0 ) { |
269 | continue; |
270 | } |
271 | |
272 | $total_statements++; |
273 | |
274 | $result = $wpdb->query( $statement ); |
275 | if ( false === $result && ! empty( $wpdb->last_error ) ) { |
276 | // Record the error. |
277 | $errors[] = [ |
278 | 'statement' => substr( $statement, 0, 100 ) . '...', |
279 | 'error' => $wpdb->last_error |
280 | ]; |
281 | } else { |
282 | $successful_count++; |
283 | } |
284 | } |
285 | |
286 | /** |
287 | * Determine success based on ratio of successful imports |
288 | */ |
289 | $success_rate = $total_statements > 0 ? ( $successful_count / $total_statements ) : 0; |
290 | |
291 | // If the success rate is less than 75%, return an error. |
292 | if ( $success_rate < 0.75 ) { |
293 | return new \WP_Error( 'sql_import_mostly_failed', |
294 | sprintf( 'SQL import mostly failed. %d/%d statements succeeded.', $successful_count, $total_statements ), |
295 | $errors |
296 | ); |
297 | } |
298 | |
299 | return true; |
300 | } |
301 | |
302 | /** |
303 | * Get the statements from the SQL content. |
304 | * |
305 | * @param string $sql_content The SQL content. |
306 | * @return array The statements. |
307 | */ |
308 | private function get_statements_from_sql( string $sql_content ): array { |
309 | $statements = []; |
310 | $current_statement = ''; |
311 | |
312 | // Split the entire SQL dump into individual lines |
313 | $lines = explode( "\n", $sql_content ); |
314 | |
315 | // Loop through each line to build statements |
316 | foreach ( $lines as $line ) { |
317 | $trimmed_line = trim( $line ); |
318 | |
319 | // Skip empty lines and comment lines |
320 | if ( empty( $trimmed_line ) || strpos( $trimmed_line, '--' ) === 0 || strpos( $trimmed_line, '#' ) === 0 ) { |
321 | continue; |
322 | } |
323 | |
324 | // Append the line to the current statement |
325 | $current_statement .= $line . "\n"; |
326 | |
327 | // If a line ends with a semicolon, we've reached the end of a statement |
328 | if ( substr( $trimmed_line, -1 ) === ';' ) { |
329 | $statements[] = trim( $current_statement ); |
330 | // Reset for the next statement |
331 | $current_statement = ''; |
332 | } |
333 | } |
334 | |
335 | return $statements; |
336 | } |
337 | |
338 | /** |
339 | * Process the media files. |
340 | * |
341 | * @return bool|\WP_Error True if the media files are processed, WP_Error if there is an error. |
342 | */ |
343 | private function process_media_files() { |
344 | $temp_uploads_dir = $this->temp_dir . 'uploads/'; |
345 | if ( ! is_dir( $temp_uploads_dir ) ) { |
346 | // Return true if no uploads to import. |
347 | return true; |
348 | } |
349 | |
350 | // Get wp-content/uploads directory. |
351 | $wp_uploads_dir = wp_upload_dir()['basedir']; |
352 | if ( ! is_dir( $wp_uploads_dir ) ) { |
353 | return new \WP_Error( 'uploads_dir_not_found', 'WordPress uploads directory not found' ); |
354 | } |
355 | |
356 | // Iterate through the uploads source and copy its contents to the wp-content/uploads directory. |
357 | $iterator = new \RecursiveIteratorIterator( |
358 | new \RecursiveDirectoryIterator( $temp_uploads_dir, \RecursiveDirectoryIterator::SKIP_DOTS ), |
359 | \RecursiveIteratorIterator::SELF_FIRST |
360 | ); |
361 | |
362 | try { |
363 | foreach ( $iterator as $file ) { |
364 | $source_path = $file->getRealPath(); |
365 | $relative_path = substr( $source_path, strlen( $temp_uploads_dir ) ); |
366 | // Remove leading 'uploads/' if it exists in the relative path. |
367 | if ( strpos( $relative_path, 'uploads' . DIRECTORY_SEPARATOR ) === 0 ) { |
368 | $relative_path = substr( $relative_path, strlen( 'uploads' . DIRECTORY_SEPARATOR ) ); |
369 | } |
370 | $destination_path = $wp_uploads_dir . DIRECTORY_SEPARATOR . $relative_path; |
371 | |
372 | if ( $file->isDir() ) { |
373 | wp_mkdir_p( $destination_path ); |
374 | } else { |
375 | // Ensure destination directory exists |
376 | $destination_file_dir = dirname( $destination_path ); |
377 | if ( ! is_dir( $destination_file_dir ) ) { |
378 | wp_mkdir_p( $destination_file_dir ); |
379 | } |
380 | |
381 | // Copy the file (overwrite if it exists). |
382 | if ( file_exists( $destination_path ) ) { |
383 | unlink( $destination_path ); |
384 | } |
385 | copy( $source_path, $destination_path ); |
386 | } |
387 | } |
388 | } catch ( \Exception $e ) { |
389 | return new \WP_Error( 'blueprint_media_import_error', 'Media import failed: ' . $e->getMessage() ); |
390 | } |
391 | |
392 | return true; |
393 | } |
394 | |
395 | /** |
396 | * Map wp_posts post_author rows to the current user. |
397 | * |
398 | * @return void |
399 | */ |
400 | private function map_user_posts() { |
401 | global $wpdb; |
402 | $current_user_id = get_current_user_id(); |
403 | |
404 | $wpdb->query( $wpdb->prepare( |
405 | "UPDATE {$wpdb->posts} SET post_author = %d", |
406 | $current_user_id |
407 | ) ); |
408 | } |
409 | |
410 | /** |
411 | * Clean up the temporary directory. |
412 | * |
413 | * @return bool True if the temporary directory is cleaned up, false otherwise. |
414 | */ |
415 | private function cleanup_temp_dir(): bool { |
416 | $dir = $this->temp_dir; |
417 | if ( ! is_dir( $dir ) ) { |
418 | return true; |
419 | } |
420 | |
421 | // Remove all files and subdirectories. |
422 | $files = array_diff( scandir( $dir ), array( '.', '..' ) ); |
423 | foreach ( $files as $file ) { |
424 | $path = $dir . DIRECTORY_SEPARATOR . $file; |
425 | if ( is_dir( $path ) ) { |
426 | $this->remove_not_empty_directory( $path ); |
427 | } else { |
428 | unlink( $path ); |
429 | } |
430 | } |
431 | |
432 | return rmdir( $dir ); |
433 | } |
434 | |
435 | /** |
436 | * Recursively remove a directory and all its contents. |
437 | * |
438 | * @param string $dir The directory path to remove |
439 | * @return bool True on success, false on failure |
440 | */ |
441 | private function remove_not_empty_directory( string $dir ): bool { |
442 | if ( ! is_dir( $dir ) ) { |
443 | return true; |
444 | } |
445 | |
446 | // Remove all files and subdirectories. |
447 | $files = array_diff( scandir( $dir ), array( '.', '..' ) ); |
448 | foreach ( $files as $file ) { |
449 | $path = $dir . DIRECTORY_SEPARATOR . $file; |
450 | if ( is_dir( $path ) ) { |
451 | $this->remove_not_empty_directory( $path ); |
452 | } else { |
453 | unlink( $path ); |
454 | } |
455 | } |
456 | |
457 | return rmdir( $dir ); |
458 | } |
459 | } |