1 | <?php |
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2 | |
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3 | // MySQL specific install functions |
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4 | |
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5 | /** |
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6 | * Check if MySQL is available. |
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7 | * |
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8 | * @return |
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9 | * TRUE/FALSE |
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10 | */ |
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11 | function mysql_is_available() { |
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12 | return function_exists('mysql_connect'); |
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13 | } |
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14 | |
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15 | /** |
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16 | * Check if we can connect to MySQL. |
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17 | * |
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18 | * @return |
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19 | * TRUE/FALSE |
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20 | */ |
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21 | function drupal_test_mysql($url, &$success) { |
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22 | if (!mysql_is_available()) { |
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23 | drupal_set_message(st('PHP MySQL support not enabled.'), 'error'); |
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24 | return FALSE; |
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25 | } |
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26 | |
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27 | $url = parse_url($url); |
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28 | |
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29 | // Decode url-encoded information in the db connection string. |
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30 | $url['user'] = urldecode($url['user']); |
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31 | $url['pass'] = isset($url['pass']) ? urldecode($url['pass']) : ''; |
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32 | $url['host'] = urldecode($url['host']); |
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33 | $url['path'] = urldecode($url['path']); |
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34 | |
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35 | // Allow for non-standard MySQL port. |
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36 | if (isset($url['port'])) { |
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37 | $url['host'] = $url['host'] .':'. $url['port']; |
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38 | } |
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39 | |
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40 | // Test connecting to the database. |
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41 | $connection = @mysql_connect($url['host'], $url['user'], $url['pass'], TRUE, 2); |
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42 | if (!$connection) { |
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43 | drupal_set_message(st('Failed to connect to your MySQL database server. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct username and password?</li><li>Are you sure that you have typed the correct database hostname?</li><li>Are you sure that the database server is running?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysql_error())), 'error'); |
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44 | return FALSE; |
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45 | } |
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46 | |
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47 | // Test selecting the database. |
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48 | if (!mysql_select_db(substr($url['path'], 1))) { |
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49 | drupal_set_message(st('Failed to select your database on your MySQL database server, which means the connection username and password are valid, but there is a problem accessing your data. MySQL reports the following message: %error.<ul><li>Are you sure you have the correct database name?</li><li>Are you sure the database exists?</li><li>Are you sure the username has permission to access the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%error' => mysql_error())), 'error'); |
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50 | return FALSE; |
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51 | } |
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52 | |
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53 | $success = array('CONNECT'); |
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54 | |
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55 | // Test CREATE. |
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56 | $query = 'CREATE TABLE drupal_install_test (id int NULL)'; |
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57 | $result = mysql_query($query); |
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58 | if ($error = mysql_error()) { |
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59 | drupal_set_message(st('Failed to create a test table on your MySQL database server with the command %query. MySQL reports the following message: %error.<ul><li>Are you sure the configured username has the necessary MySQL permissions to create tables in the database?</li></ul>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.', array('%query' => $query, '%error' => $error)), 'error'); |
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60 | return FALSE; |
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61 | } |
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62 | $err = FALSE; |
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63 | $success[] = 'SELECT'; |
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64 | $success[] = 'CREATE'; |
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65 | |
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66 | // Test INSERT. |
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67 | $query = 'INSERT INTO drupal_install_test (id) VALUES (1)'; |
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68 | $result = mysql_query($query); |
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69 | if ($error = mysql_error()) { |
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70 | drupal_set_message(st('Failed to insert a value into a test table on your MySQL database server. We tried inserting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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71 | $err = TRUE; |
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72 | } |
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73 | else { |
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74 | $success[] = 'INSERT'; |
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75 | } |
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76 | |
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77 | // Test UPDATE. |
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78 | $query = 'UPDATE drupal_install_test SET id = 2'; |
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79 | $result = mysql_query($query); |
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80 | if ($error = mysql_error()) { |
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81 | drupal_set_message(st('Failed to update a value in a test table on your MySQL database server. We tried updating a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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82 | $err = TRUE; |
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83 | } |
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84 | else { |
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85 | $success[] = 'UPDATE'; |
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86 | } |
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87 | |
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88 | // Test DELETE. |
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89 | $query = 'DELETE FROM drupal_install_test'; |
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90 | $result = mysql_query($query); |
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91 | if ($error = mysql_error()) { |
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92 | drupal_set_message(st('Failed to delete a value from a test table on your MySQL database server. We tried deleting a value with the command %query and MySQL reported the following error: %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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93 | $err = TRUE; |
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94 | } |
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95 | else { |
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96 | $success[] = 'DELETE'; |
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97 | } |
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98 | |
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99 | // Test DROP. |
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100 | $query = 'DROP TABLE drupal_install_test'; |
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101 | $result = mysql_query($query); |
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102 | if ($error = mysql_error()) { |
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103 | drupal_set_message(st('Failed to drop a test table from your MySQL database server. We tried dropping a table with the command %query and MySQL reported the following error %error.', array('%query' => $query, '%error' => $error)), 'error'); |
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104 | $err = TRUE; |
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105 | } |
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106 | else { |
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107 | $success[] = 'DROP'; |
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108 | } |
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109 | |
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110 | if ($err) { |
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111 | return FALSE; |
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112 | } |
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113 | |
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114 | mysql_close($connection); |
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115 | return TRUE; |
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116 | } |
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