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Commit | Line | Data |
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b74b96bf | 1 | <?php |
3c66e564 | 2 | namespace Shaarli\Config; |
b74b96bf A |
3 | |
4 | /** | |
5 | * Class ConfigJson (ConfigIO implementation) | |
6 | * | |
7 | * Handle Shaarli's JSON configuration file. | |
8 | */ | |
9 | class ConfigJson implements ConfigIO | |
10 | { | |
b74b96bf A |
11 | /** |
12 | * @inheritdoc | |
13 | */ | |
93b1fe54 | 14 | public function read($filepath) |
b74b96bf | 15 | { |
da10377b | 16 | if (! is_readable($filepath)) { |
b74b96bf A |
17 | return array(); |
18 | } | |
19 | $data = file_get_contents($filepath); | |
da10377b | 20 | $data = str_replace(self::getPhpHeaders(), '', $data); |
5ff23f02 | 21 | $data = str_replace(self::getPhpSuffix(), '', $data); |
b74b96bf A |
22 | $data = json_decode($data, true); |
23 | if ($data === null) { | |
c6a4c288 | 24 | $errorCode = json_last_error(); |
12266213 A |
25 | $error = sprintf( |
26 | 'An error occurred while parsing JSON configuration file (%s): error code #%d', | |
27 | $filepath, | |
28 | $errorCode | |
29 | ); | |
30 | $error .= '<br>➜ <code>' . json_last_error_msg() .'</code>'; | |
c6a4c288 | 31 | if ($errorCode === JSON_ERROR_SYNTAX) { |
12266213 A |
32 | $error .= '<br>'; |
33 | $error .= 'Please check your JSON syntax (without PHP comment tags) using a JSON lint tool such as '; | |
c6a4c288 A |
34 | $error .= '<a href="http://jsonlint.com/">jsonlint.com</a>.'; |
35 | } | |
36 | throw new \Exception($error); | |
b74b96bf A |
37 | } |
38 | return $data; | |
39 | } | |
40 | ||
41 | /** | |
42 | * @inheritdoc | |
43 | */ | |
93b1fe54 | 44 | public function write($filepath, $conf) |
b74b96bf A |
45 | { |
46 | // JSON_PRETTY_PRINT is available from PHP 5.4. | |
47 | $print = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0; | |
5ff23f02 | 48 | $data = self::getPhpHeaders() . json_encode($conf, $print) . self::getPhpSuffix(); |
b74b96bf | 49 | if (!file_put_contents($filepath, $data)) { |
f3d2f257 | 50 | throw new \Shaarli\Exceptions\IOException( |
b74b96bf | 51 | $filepath, |
12266213 A |
52 | t('Shaarli could not create the config file. '. |
53 | 'Please make sure Shaarli has the right to write in the folder is it installed in.') | |
b74b96bf A |
54 | ); |
55 | } | |
56 | } | |
57 | ||
58 | /** | |
59 | * @inheritdoc | |
60 | */ | |
93b1fe54 | 61 | public function getExtension() |
b74b96bf A |
62 | { |
63 | return '.json.php'; | |
64 | } | |
da10377b A |
65 | |
66 | /** | |
67 | * The JSON data is wrapped in a PHP file for security purpose. | |
68 | * This way, even if the file is accessible, credentials and configuration won't be exposed. | |
69 | * | |
70 | * Note: this isn't a static field because concatenation isn't supported in field declaration before PHP 5.6. | |
71 | * | |
72 | * @return string PHP start tag and comment tag. | |
73 | */ | |
74 | public static function getPhpHeaders() | |
75 | { | |
76 | return '<?php /*'. PHP_EOL; | |
77 | } | |
5ff23f02 A |
78 | |
79 | /** | |
80 | * Get PHP comment closing tags. | |
81 | * | |
82 | * Static method for consistency with getPhpHeaders. | |
83 | * | |
84 | * @return string PHP comment closing. | |
85 | */ | |
86 | public static function getPhpSuffix() | |
87 | { | |
88 | return PHP_EOL . '*/ ?>'; | |
89 | } | |
b74b96bf | 90 | } |