1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
const kRedirectorWildcard = 'W';
const kRedirectorRegex= 'R';
var Redirector = {
list : [],
enabled : true,
init : function() {
this.load();
this.prefObserver.register();
},
save : function() {
var r
, tempList = [];
for each (r in this.list) {
tempList.push([r.exampleUrl, r.pattern, r.redirectUrl, r.onlyIfLinkExists, r.patternType]);
}
RedirLib.setCharPref('redirects', tempList.toSource());
},
load : function() {
var tempList = eval(RedirLib.getCharPref('redirects'));
var arr;
this.list = [];
for each (arr in tempList) {
this.list.push({
exampleUrl : arr[0],
pattern : arr[1],
redirectUrl : arr[2],
onlyIfLinkExists : arr[3],
patternType : arr[4]
});
}
},
addRedirect : function(redirect) {
this.list.push(redirect);
this.save();
},
deleteAt : function(index) {
this.list.splice(index, 1);
this.save();
},
processUrl : function(url) {
var redirect, link, links, redirectUrl;
if (!this.enabled) {
return;
}
for each (redirect in this.list) {
if (redirect.patternType == kRedirectorWildcard) {
redirectUrl = this.wildcardMatch(redirect.pattern, url, redirect.redirectUrl);
} else if (redirect.patternType == kRedirectorRegex) {
redirectUrl = this.regexMatch(redirect.pattern, url, redirect.redirectUrl);
}
if (redirectUrl) {
RedirLib.debug('%1 matches %2'._(redirect.pattern, url));
if (redirect.onlyIfLinkExists) {
links = window.content.document.getElementsByTagName('a');
for each(link in links) {
if (link.href && link.href.toString() == redirectUrl) {
RedirLib.debug('Found a link for %1'._(redirectUrl));
this._goto(redirectUrl, redirect.pattern);
return;
}
}
RedirLib.debug('Did not find a link for %1'._(redirectUrl));
} else {
this._goto(redirectUrl, redirect.pattern);
}
}
}
},
_goto : function(redirectUrl, pattern) {
if (redirectUrl == window.content.location.href) {
RedirLib.msgBox(this.strings.getString('extensionName'), this.strings.getFormattedString('recursiveError', [pattern, redirectUrl]));
} else {
window.content.location.href = redirectUrl;
}
},
regexMatch : function(pattern, text, redirectUrl) {
var strings, rx, match;
try {
rx = new RegExp(pattern, 'gi');
match = rx.exec(text);
} catch(e) {
//HACK, need to make this better
if (window.RedirectorOverlay) {
strings = window.RedirectorOverlay.strings;
} else if(window.Redirect) {
strings = window.Redirect.strings;
}
RedirLib.msgBox(strings.getString('extensionName'), strings.getFormattedString('regexPatternError', [pattern, e.toString()]));
return null;
}
var rxrepl;
if (match) {
for (var i = 1; i < match.length; i++) {
rxrepl = new RegExp('\\$' + i, 'gi');
redirectUrl = redirectUrl.replace(rxrepl, match[i]);
}
return redirectUrl;
}
return null;
},
wildcardMatch : function(pattern, text, redirectUrl) {
var parts
, part
, i
, pos;
parts = pattern.split('*');
for (i in parts) {
part = parts[i];
pos = text.indexOf(part);
if (pos == -1) {
return null;
}
if (i == 0 && pos != 0) {
return null;
}
if (i == parts.length -1 && i != "" && text.substr(text.length - part.length) != part) {
return null;
}
text = text.substr(pos + part.length);
}
return redirectUrl;
},
prefObserver : {
getService : function() {
return Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranchInternal);
},
register: function() {
this.getService().addObserver('extensions.redirector', this, false);
},
unregister: function() {
this.getService().removeObserver('extensions.redirector', this);
},
observe : function(subject, topic, data) {
if (topic != 'nsPref:changed') {
return;
}
if (data == 'extensions.redirector.redirects') {
Redirector.load();
} else if (data == 'extensions.redirector.enabled') {
Redirector.enabled = RedirLib.getBoolPref('enabled');
}
}
},
};
|
