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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 | |
23 | // NO NEED TO CHANGE ANYTHING BELOW THIS LINE |
24 | |
25 | global $squirrelmail_plugin_hooks; |
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26 | $squirrelmail_plugin_hooks['change_password_dochange']['merak'] = |
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27 | 'cpw_merak_dochange'; |
28 | |
29 | /** |
30 | * This is the function that is specific to your backend. It takes |
31 | * the current password (as supplied by the user) and the desired |
32 | * new password. It will return an array of messages. If everything |
33 | * was successful, the array will be empty. Else, it will contain |
34 | * the errormessage(s). |
35 | * Constants to be used for these messages: |
36 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
37 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
38 | * |
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39 | * @param array data The username/currentpw/newpw data. |
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40 | * @return array Array of error messages. |
41 | */ |
42 | function cpw_merak_dochange($data) |
43 | { |
44 | // unfortunately, we can only pass one parameter to a hook function, |
45 | // so we have to pass it as an array. |
46 | $username = $data['username']; |
47 | $curpw = $data['curpw']; |
48 | $newpw = $data['newpw']; |
49 | |
50 | $msgs = array(); |
51 | |
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52 | global $merak_url, $merak_selfpage, $merak_action; |
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53 | |
54 | if (!function_exists('curl_init')) { |
55 | |
56 | // user_error('Curl module NOT available!', E_USER_ERROR); |
57 | array_push($msgs, _("Curl module NOT available! Unable to change password!")); |
58 | return $msgs; |
59 | } |
60 | |
61 | $ch = curl_init(); |
62 | curl_setopt ($ch, CURLOPT_URL, $merak_url . $merak_selfpage); |
63 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
64 | curl_setopt ($ch, CURLOPT_TIMEOUT, 10); |
65 | curl_setopt ($ch, CURLOPT_USERPWD, "$username:$curpw"); |
66 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
67 | $result = curl_exec ($ch); |
68 | curl_close ($ch); |
69 | |
70 | if (strpos($result, "401 Access denied") <> 0) { |
71 | array_push($msgs, _("Cannot change password! (Is user 'Self Configurable User' ?) (401)")); |
72 | return $msgs; |
73 | } |
74 | |
75 | // Get URL from: <FORM METHOD="POST" ACTION="success.html?id=a9375ee5e445775e871d5e1401a963aa"> |
76 | |
77 | $str = stristr($result, "<FORM"); |
78 | $str = substr($str, 0, strpos($str, ">") + 1); |
79 | $str = stristr($str, "ACTION="); |
80 | $str = substr(stristr($str, "\""),1); |
81 | $str = substr($str, 0, strpos($str, "\"")); |
82 | |
83 | // Extra check to see if the result contains 'html' |
84 | if (!stristr($str, "html")) { |
85 | array_push($msgs, _("Cannot change password!") . " (1)" ); |
86 | return $msgs; |
87 | } |
88 | |
89 | $newurl = $merak_url . $str; |
90 | |
91 | // Get useraddr from: $useraddr = <INPUT TYPE="HIDDEN" NAME="usraddr" VALUE="mail@hostname.com"> |
92 | |
93 | $str = stristr($result, "usraddr"); |
94 | $str = substr($str, 0, strpos($str, ">") + 1); |
95 | $str = stristr($str, "VALUE="); |
96 | $str = substr(stristr($str, "\""),1); |
97 | $str = substr($str, 0, strpos($str, "\"")); |
98 | |
99 | // Extra check to see if the result contains '@' |
100 | if (!stristr($str, "@")) { |
101 | array_push($msgs, _("Cannot change password!") . " (2)" ); |
102 | return $msgs; |
103 | } |
104 | |
105 | $useraddr = $str; |
106 | |
107 | //Include (almost) all input fields from screen |
108 | |
109 | $contents2 = $result; |
110 | |
111 | $tag = stristr($contents2, "<INPUT"); |
112 | |
113 | while ($tag) { |
114 | $contents2 = stristr($contents2, "<INPUT"); |
115 | $tag = substr($contents2, 0, strpos($contents2, ">") + 1); |
116 | |
117 | if (GetSub($tag, "TYPE") == "TEXT" || |
118 | GetSub($tag, "TYPE") == "HIDDEN" || |
119 | GetSub($tag, "TYPE") == "PASSWORD") { |
120 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
121 | } |
122 | |
123 | if ((GetSub($tag, "TYPE") == "RADIO" || |
124 | GetSub($tag, "TYPE") == "CHECKBOX") && |
125 | IsChecked($tag)) { |
126 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
127 | } |
128 | $contents2 = substr($contents2, 1); |
129 | } |
130 | |
131 | $tags["action"] = $merak_action; |
132 | $tags["usraddr"] = $useraddr; |
133 | $tags["usr_pass"] = $newpw; |
134 | $tags["usr_conf"] = $newpw; |
135 | |
136 | $str2 = ""; |
137 | foreach ($tags as $key => $value) { |
138 | $str2 .= $key . "=" . urlencode($value) . "&"; |
139 | } |
140 | |
141 | $str2 = trim($str2, "&"); |
142 | |
143 | // Change password! |
144 | |
145 | $ch = curl_init(); |
146 | curl_setopt ($ch, CURLOPT_URL, $newurl); |
147 | curl_setopt ($ch, CURLOPT_POST, 1); |
148 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
149 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
150 | curl_setopt ($ch, CURLOPT_POSTFIELDS, $str2); |
151 | $result=curl_exec ($ch); |
152 | curl_close ($ch); |
153 | |
154 | if (strpos($result, "Failure") <> 0) { |
155 | array_push($msgs, _("Cannot change password!") . " (3)"); |
156 | return $msgs; |
157 | } |
158 | |
159 | return $msgs; |
160 | } |
161 | |
162 | function GetSub($tag, $type) { |
163 | |
164 | $str = stristr($tag, $type . "="); |
165 | $str = substr($str, strlen($type) + 1); |
166 | $str = trim($str, '"'); |
167 | |
168 | if (!strpos($str, " ") === false) { |
169 | $str = substr($str, 0, strpos($str, " ")); |
170 | $str = trim($str, '"'); |
171 | } |
172 | |
173 | if (!(strpos($str, '"') === false)) { |
174 | $str = substr($str, 0, strpos($str, '"')); |
175 | } |
176 | |
177 | $str = trim($str, '>'); |
178 | |
179 | return $str; |
180 | } |
181 | |
182 | function IsChecked($tag) { |
183 | |
184 | if (!(strpos(strtolower($tag), 'checked') === false)) { |
185 | return true; |
186 | } |
187 | |
188 | return false; |
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189 | } |