| 1 | <? |
| 2 | /** |
| 3 | ** prefs.php |
| 4 | ** |
| 5 | ** This contains functions for manipulating user preferences |
| 6 | **/ |
| 7 | |
| 8 | /** returns the value for $string **/ |
| 9 | function getPref($data_dir, $username, $string) { |
| 10 | $filename = "$data_dir$username.pref"; |
| 11 | if (!file_exists($filename)) { |
| 12 | echo _("Preference file ") "\"$filename\"" _(" not found. Exiting abnormally"); |
| 13 | exit; |
| 14 | } |
| 15 | |
| 16 | $file = fopen($filename, "r"); |
| 17 | |
| 18 | /** read in all the preferences **/ |
| 19 | for ($i=0; !feof($file); $i++) { |
| 20 | $pref = fgets($file, 1024); |
| 21 | if (substr($pref, 0, strpos($pref, "=")) == $string) { |
| 22 | fclose($file); |
| 23 | return trim(substr($pref, strpos($pref, "=")+1)); |
| 24 | } |
| 25 | } |
| 26 | fclose($file); |
| 27 | return ""; |
| 28 | } |
| 29 | |
| 30 | /** sets the pref, $string, to $set_to **/ |
| 31 | function setPref($data_dir, $username, $string, $set_to) { |
| 32 | $filename = "$data_dir$username.pref"; |
| 33 | $found = false; |
| 34 | if (!file_exists($filename)) { |
| 35 | echo _("Preference file, ") "\"$filename\"". _(", does not exist. Log out, and log back in to create a default preference file. ") ."<BR>"; |
| 36 | exit; |
| 37 | } |
| 38 | $file = fopen($filename, "r"); |
| 39 | |
| 40 | /** read in all the preferences **/ |
| 41 | for ($i=0; !feof($file); $i++) { |
| 42 | $pref[$i] = fgets($file, 1024); |
| 43 | if (substr($pref[$i], 0, strpos($pref[$i], "=")) == $string) { |
| 44 | $found = true; |
| 45 | $pos = $i; |
| 46 | } |
| 47 | } |
| 48 | fclose($file); |
| 49 | |
| 50 | $file = fopen($filename, "w"); |
| 51 | if ($found == true) { |
| 52 | for ($i=0; $i < count($pref); $i++) { |
| 53 | if ($i == $pos) { |
| 54 | fwrite($file, "$string=$set_to\n", 1024); |
| 55 | } else { |
| 56 | fwrite($file, "$pref[$i]", 1024); |
| 57 | } |
| 58 | } |
| 59 | } else { |
| 60 | for ($i=0; $i < count($pref); $i++) { |
| 61 | fwrite($file, "$pref[$i]", 1024); |
| 62 | } |
| 63 | fwrite($file, "$string=$set_to\n", 1024); |
| 64 | } |
| 65 | |
| 66 | fclose($file); |
| 67 | } |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | /** This checks if there is a pref file, if there isn't, it will create it. **/ |
| 73 | function checkForPrefs($data_dir, $username) { |
| 74 | $filename = "$data_dir$username.pref"; |
| 75 | if (!file_exists($filename)) { |
| 76 | if (!copy("$data_dir" . "default_pref", $filename)) { |
| 77 | echo _("Error opening ") ."$filename"; |
| 78 | exit; |
| 79 | } |
| 80 | } |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | |
| 85 | |
| 86 | /** Writes the Signature **/ |
| 87 | function setSig($data_dir, $username, $string) { |
| 88 | $filename = "$data_dir$username.sig"; |
| 89 | $file = fopen($filename, "w"); |
| 90 | fwrite($file, $string); |
| 91 | fclose($file); |
| 92 | } |
| 93 | |
| 94 | |
| 95 | |
| 96 | /** Gets the signature **/ |
| 97 | function getSig($data_dir, $username) { |
| 98 | $filename = "$data_dir$username.sig"; |
| 99 | if (file_exists($filename)) { |
| 100 | $file = fopen($filename, "r"); |
| 101 | while (!feof($file)) { |
| 102 | $sig .= fgets($file, 1024); |
| 103 | } |
| 104 | fclose($file); |
| 105 | } else { |
| 106 | echo _("Signature file not found."); |
| 107 | exit; |
| 108 | } |
| 109 | return $sig; |
| 110 | } |
| 111 | ?> |