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1 | <?php |
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2 | /** |
3 | * Merakchange password backend |
4 | * |
5 | * @author Edwin van Elk <Edwin@eve-software.com> |
6 | * @version $Id$ |
7 | * @package plugins |
8 | * @subpackage change_password |
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9 | */ |
10 | |
11 | /** |
12 | * Config vars |
13 | */ |
14 | |
15 | global $merak_url, $merak_selfpage, $merak_action; |
16 | |
17 | // The Merak Server |
18 | |
19 | $merak_url = "http://localhost:32000/"; |
20 | $merak_selfpage = "self.html"; |
21 | $merak_action = "self_edit"; |
22 | |
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23 | // get overrides from config. |
24 | if ( isset($cpw_merak) && is_array($cpw_merak) && !empty($cpw_merak) ) { |
25 | foreach ( $cpw_merak as $key => $value ) { |
26 | if ( isset(${'merak_'.$key}) ) |
27 | ${'merak_'.$key} = $value; |
28 | } |
29 | } |
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30 | |
31 | global $squirrelmail_plugin_hooks; |
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32 | $squirrelmail_plugin_hooks['change_password_dochange']['merak'] = |
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33 | 'cpw_merak_dochange'; |
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34 | $squirrelmail_plugin_hooks['change_password_init']['merak'] = |
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35 | 'cpw_merak_init'; |
36 | |
37 | /** |
38 | * Check if php install has all required extensions. |
39 | */ |
40 | function cpw_merak_init() { |
41 | global $color; |
42 | |
43 | /** |
44 | * If SM_PATH isn't defined, define it. Required to include files. |
45 | * @ignore |
46 | */ |
47 | if (!defined('SM_PATH')) { |
48 | define('SM_PATH','../../../'); |
49 | } |
50 | |
51 | // load error_box() function |
52 | include_once(SM_PATH . 'functions/display_messages.php'); |
53 | |
54 | if (!function_exists('curl_init')) { |
55 | // user_error('Curl module NOT available!', E_USER_ERROR); |
56 | error_box(_("PHP Curl extension is NOT available! Unable to change password!"),$color); |
57 | // close html and stop script execution |
58 | echo "</body></html>\n"; |
59 | exit(); |
60 | } |
61 | } |
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62 | |
63 | /** |
64 | * This is the function that is specific to your backend. It takes |
65 | * the current password (as supplied by the user) and the desired |
66 | * new password. It will return an array of messages. If everything |
67 | * was successful, the array will be empty. Else, it will contain |
68 | * the errormessage(s). |
69 | * Constants to be used for these messages: |
70 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
71 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
72 | * |
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73 | * @param array data The username/currentpw/newpw data. |
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74 | * @return array Array of error messages. |
75 | */ |
76 | function cpw_merak_dochange($data) |
77 | { |
78 | // unfortunately, we can only pass one parameter to a hook function, |
79 | // so we have to pass it as an array. |
80 | $username = $data['username']; |
81 | $curpw = $data['curpw']; |
82 | $newpw = $data['newpw']; |
83 | |
84 | $msgs = array(); |
85 | |
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86 | global $merak_url, $merak_selfpage, $merak_action; |
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87 | |
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88 | $ch = curl_init(); |
89 | curl_setopt ($ch, CURLOPT_URL, $merak_url . $merak_selfpage); |
90 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
91 | curl_setopt ($ch, CURLOPT_TIMEOUT, 10); |
92 | curl_setopt ($ch, CURLOPT_USERPWD, "$username:$curpw"); |
93 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
94 | $result = curl_exec ($ch); |
95 | curl_close ($ch); |
96 | |
97 | if (strpos($result, "401 Access denied") <> 0) { |
98 | array_push($msgs, _("Cannot change password! (Is user 'Self Configurable User' ?) (401)")); |
99 | return $msgs; |
100 | } |
101 | |
102 | // Get URL from: <FORM METHOD="POST" ACTION="success.html?id=a9375ee5e445775e871d5e1401a963aa"> |
103 | |
104 | $str = stristr($result, "<FORM"); |
105 | $str = substr($str, 0, strpos($str, ">") + 1); |
106 | $str = stristr($str, "ACTION="); |
107 | $str = substr(stristr($str, "\""),1); |
108 | $str = substr($str, 0, strpos($str, "\"")); |
109 | |
110 | // Extra check to see if the result contains 'html' |
111 | if (!stristr($str, "html")) { |
112 | array_push($msgs, _("Cannot change password!") . " (1)" ); |
113 | return $msgs; |
114 | } |
115 | |
116 | $newurl = $merak_url . $str; |
117 | |
118 | // Get useraddr from: $useraddr = <INPUT TYPE="HIDDEN" NAME="usraddr" VALUE="mail@hostname.com"> |
119 | |
120 | $str = stristr($result, "usraddr"); |
121 | $str = substr($str, 0, strpos($str, ">") + 1); |
122 | $str = stristr($str, "VALUE="); |
123 | $str = substr(stristr($str, "\""),1); |
124 | $str = substr($str, 0, strpos($str, "\"")); |
125 | |
126 | // Extra check to see if the result contains '@' |
127 | if (!stristr($str, "@")) { |
128 | array_push($msgs, _("Cannot change password!") . " (2)" ); |
129 | return $msgs; |
130 | } |
131 | |
132 | $useraddr = $str; |
133 | |
134 | //Include (almost) all input fields from screen |
135 | |
136 | $contents2 = $result; |
137 | |
138 | $tag = stristr($contents2, "<INPUT"); |
139 | |
140 | while ($tag) { |
141 | $contents2 = stristr($contents2, "<INPUT"); |
142 | $tag = substr($contents2, 0, strpos($contents2, ">") + 1); |
143 | |
144 | if (GetSub($tag, "TYPE") == "TEXT" || |
145 | GetSub($tag, "TYPE") == "HIDDEN" || |
146 | GetSub($tag, "TYPE") == "PASSWORD") { |
147 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
148 | } |
149 | |
150 | if ((GetSub($tag, "TYPE") == "RADIO" || |
151 | GetSub($tag, "TYPE") == "CHECKBOX") && |
152 | IsChecked($tag)) { |
153 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
154 | } |
155 | $contents2 = substr($contents2, 1); |
156 | } |
157 | |
158 | $tags["action"] = $merak_action; |
159 | $tags["usraddr"] = $useraddr; |
160 | $tags["usr_pass"] = $newpw; |
161 | $tags["usr_conf"] = $newpw; |
162 | |
163 | $str2 = ""; |
164 | foreach ($tags as $key => $value) { |
165 | $str2 .= $key . "=" . urlencode($value) . "&"; |
166 | } |
167 | |
168 | $str2 = trim($str2, "&"); |
169 | |
170 | // Change password! |
171 | |
172 | $ch = curl_init(); |
173 | curl_setopt ($ch, CURLOPT_URL, $newurl); |
174 | curl_setopt ($ch, CURLOPT_POST, 1); |
175 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
176 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
177 | curl_setopt ($ch, CURLOPT_POSTFIELDS, $str2); |
178 | $result=curl_exec ($ch); |
179 | curl_close ($ch); |
180 | |
181 | if (strpos($result, "Failure") <> 0) { |
182 | array_push($msgs, _("Cannot change password!") . " (3)"); |
183 | return $msgs; |
184 | } |
185 | |
186 | return $msgs; |
187 | } |
188 | |
189 | function GetSub($tag, $type) { |
190 | |
191 | $str = stristr($tag, $type . "="); |
192 | $str = substr($str, strlen($type) + 1); |
193 | $str = trim($str, '"'); |
194 | |
195 | if (!strpos($str, " ") === false) { |
196 | $str = substr($str, 0, strpos($str, " ")); |
197 | $str = trim($str, '"'); |
198 | } |
199 | |
200 | if (!(strpos($str, '"') === false)) { |
201 | $str = substr($str, 0, strpos($str, '"')); |
202 | } |
203 | |
204 | $str = trim($str, '>'); |
205 | |
206 | return $str; |
207 | } |
208 | |
209 | function IsChecked($tag) { |
210 | |
211 | if (!(strpos(strtolower($tag), 'checked') === false)) { |
212 | return true; |
213 | } |
214 | |
215 | return false; |
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216 | } |