1 | <?php |
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2 | /** |
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3 | * t29v6 new Hostinfo and Hosthook system. |
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4 | * |
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5 | * Local host.php files in the webroot can hook into t29* php |
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6 | * and js classes without interfering the code. This can be usually |
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7 | * be used for extra svn information. |
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8 | * Hostinfos can also be appended in this file and therefore be |
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9 | * managed centrally. |
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10 | * |
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11 | * webroot/host.php muss have a t29LocalHost extends t29Host class. |
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12 | * |
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13 | **/ |
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14 | |
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15 | abstract class t29Host { |
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16 | const webroot_host_file = '/host.php'; # relative to webroot |
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17 | const webroot_local_host_classname = 't29LocalHost'; |
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18 | const env_hidesuffix_name = "T29URLHIDESUFFIX"; |
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19 | |
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20 | |
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21 | /// Some identifier like a FQDN. Must be overwritten! |
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22 | public $hostname = "unknown"; |
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23 | |
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24 | |
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25 | /** |
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26 | * Factory for creating a t29Host instance automatically |
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27 | * from the current host. This method will decide which |
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28 | * subclass has to be taken. |
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29 | **/ |
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30 | static function detect() { |
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31 | $instance = null; |
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32 | |
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33 | // check if local host file exists |
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34 | $hostfile = dirname(__FILE__) . '/../' . self::webroot_host_file; |
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35 | if(file_exists($hostfile)) { |
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36 | include $hostfile; |
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37 | if(class_exists(self::webroot_local_host_classname)) { |
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38 | $x = self::webroot_local_host_classname; |
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39 | return new $x; |
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40 | } |
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41 | } |
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42 | |
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43 | // Quick and Dirty: Load hostname specific instances |
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44 | switch($_SERVER['SERVER_NAME']) { |
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45 | case 'heribert': |
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46 | case 'localhost': |
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47 | return new t29HeribertHost; |
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48 | } |
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49 | |
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50 | return new t29PublicHost; |
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51 | } |
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52 | |
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53 | function check_url_rewrite() { |
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54 | if(isset($_SERVER[self::env_hidesuffix_name])) { |
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55 | $path = $_SERVER['REQUEST_URI']; |
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56 | $newpath = preg_replace("/\.(php|shtml?)$/i", '', $path); |
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57 | if($path != $newpath) { |
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58 | header('HTTP/1.1 301 Moved Permanently'); |
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59 | header('Location: '.$newpath); |
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60 | return $newpath; |
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61 | } |
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62 | } |
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63 | return null; |
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64 | } |
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65 | |
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66 | abstract function fillup_template_conf(&$template_conf); |
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67 | } |
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68 | |
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69 | class t29PublicHost extends t29Host { |
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70 | /** |
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71 | * This is actually the default public host which should be loaded |
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72 | * at www.technikum29.de. |
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73 | **/ |
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74 | public $hostname = "public"; |
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75 | function fillup_template_conf(&$template_conf) {} |
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76 | } |
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77 | |
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78 | /** |
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79 | * Host auf heriberts Rechner; dort wird ein weiterer Metatag mit id eingefuehrt, |
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80 | * mit dem seine Firefox Editthispage-Extension die Seite bearbeiten kann. |
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81 | **/ |
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82 | class t29HeribertHost extends t29Host { |
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83 | public $hostname = "heribert"; |
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84 | |
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85 | function fillup_template_conf(&$template_conf) { |
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86 | $template_conf['header_prepend'][] = |
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87 | '<meta name="t29.localfile" content="'.$_SERVER['SCRIPT_FILENAME'].'" id="localFileSource">'; |
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88 | } |
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89 | } |
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