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Code cleanup, expand README, fix some minor bugs (#20)
* various fixes (read changelog) - Upgraded __get_request to match __write_data better and have less redundant code - Fixed __write_data overwriting keys sometimes - Failed GET requests now reject directly - Added collectionName to typescript - Return TypeErrors more consistently - Fixed various minor bugs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| <?php | ||
|
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| class FileAccess { | ||
| public static function read($filepath, $waitLock = false, $default = null) { | ||
| $fileObj = array('filepath' => $filepath, 'content' => ''); | ||
| // open file as binary | ||
| $file = fopen($filepath, 'rb'); | ||
|
|
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| // exit if couldn't find file | ||
| if ($file === false) { | ||
| if ($default == null) | ||
| throw new Exception("Could not open file: $filepath"); | ||
|
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||
| // set default value | ||
| $fileObj['content'] = $default; | ||
| } | ||
|
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||
| // if no file, puts default value inside | ||
| if ($file === false) { | ||
| file_put_contents($fileObj['filepath'], $fileObj['content'], LOCK_EX); | ||
| $file = fopen($filepath, 'rb'); | ||
| } | ||
|
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| $fileObj['fd'] = $file; | ||
|
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| // if want the lock, we wait for the shared lock | ||
| if ($waitLock) { | ||
| $lock = flock($file, LOCK_SH); | ||
| if (!$lock) { | ||
| fclose($file); | ||
| throw new Exception('Failed to lock file'); | ||
| } | ||
| } | ||
|
|
||
| // read file content | ||
| $string = ''; | ||
| while (!feof($file)) { | ||
| $string .= fread($file, 8192); | ||
| } | ||
|
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| $fileObj['content'] = $string; | ||
|
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| // if no wait you can close the file | ||
| if (!$waitLock) | ||
| fclose($file); | ||
|
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| return $fileObj; | ||
| } | ||
| public static function write($fileObj) { | ||
| // lock and close | ||
| flock($fileObj['fd'], LOCK_UN); | ||
| fclose($fileObj['fd']); | ||
|
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| if (!is_writable($fileObj['filepath'])) { | ||
| throw new HTTPException("PHP script can't write to file. Check permission, group and owner.", 400); | ||
| } | ||
|
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| $ret = file_put_contents($fileObj['filepath'], $fileObj['content'], LOCK_EX); | ||
| return $ret; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| <?php | ||
|
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| class HTTPException extends Exception { | ||
| // custom message | ||
| public function __construct($message, $code = 400, Throwable $previous = null) { | ||
| $type_message = gettype($message); | ||
|
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| if ($type_message != 'string') | ||
| throw new Exception("Incorrect message type for HTTPException constructor, expected string, got $type_message"); | ||
|
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| $type_code = gettype($code); | ||
| if ($type_code != 'integer') | ||
| throw new Exception("Incorrect code type for HTTPException constructor, expected string, got $type_code"); | ||
|
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| // assign everything | ||
| parent::__construct($message, $code, $previous); | ||
| } | ||
|
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||
| // prettier representation | ||
| public function __toString(): string { | ||
| return __CLASS__ . ": [{$this->code}]: {$this->message}\n"; | ||
| } | ||
| } |
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