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
193
194
195
196
197
198
|
/*
* This file is part of DAV-4-TbSync.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
"use strict";
var tools = {
//* * * * * * * * * * * * *
//* UTILS
//* * * * * * * * * * * * *
/**
* Removes XML-invalid characters from a string.
* @param {string} string - a string potentially containing XML-invalid characters, such as non-UTF8 characters, STX, EOX and so on.
* @param {boolean} removeDiscouragedChars - a string potentially containing XML-invalid characters, such as non-UTF8 characters, STX, EOX and so on.
* @returns : a sanitized string without all the XML-invalid characters.
*
* Source: https://www.ryadel.com/en/javascript-remove-xml-invalid-chars-characters-string-utf8-unicode-regex/
*/
removeXMLInvalidChars: function (string, removeDiscouragedChars = true)
{
// remove everything forbidden by XML 1.0 specifications, plus the unicode replacement character U+FFFD
var regex = /((?:[\0-\x08\x0B\f\x0E-\x1F\uFFFD\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]))/g;
string = string.replace(regex, "");
if (removeDiscouragedChars) {
// remove everything not suggested by XML 1.0 specifications
regex = new RegExp(
"([\\x7F-\\x84]|[\\x86-\\x9F]|[\\uFDD0-\\uFDEF]|(?:\\uD83F[\\uDFFE\\uDFFF])|(?:\\uD87F[\\uDF"+
"FE\\uDFFF])|(?:\\uD8BF[\\uDFFE\\uDFFF])|(?:\\uD8FF[\\uDFFE\\uDFFF])|(?:\\uD93F[\\uDFFE\\uD"+
"FFF])|(?:\\uD97F[\\uDFFE\\uDFFF])|(?:\\uD9BF[\\uDFFE\\uDFFF])|(?:\\uD9FF[\\uDFFE\\uDFFF])"+
"|(?:\\uDA3F[\\uDFFE\\uDFFF])|(?:\\uDA7F[\\uDFFE\\uDFFF])|(?:\\uDABF[\\uDFFE\\uDFFF])|(?:\\"+
"uDAFF[\\uDFFE\\uDFFF])|(?:\\uDB3F[\\uDFFE\\uDFFF])|(?:\\uDB7F[\\uDFFE\\uDFFF])|(?:\\uDBBF"+
"[\\uDFFE\\uDFFF])|(?:\\uDBFF[\\uDFFE\\uDFFF])(?:[\\0-\\t\\x0B\\f\\x0E-\\u2027\\u202A-\\uD7FF\\"+
"uE000-\\uFFFF]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|"+
"(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]))", "g");
string = string.replace(regex, "");
}
return string;
},
xmlns: function (ns) {
let _xmlns = [];
for (let i=0; i < ns.length; i++) {
_xmlns.push('xmlns:'+ns[i]+'="'+dav.sync.ns[ns[i]]+'"');
}
return _xmlns.join(" ");
},
parseUri: function (aUri) {
let uri;
try {
// Test if the entered uri can be parsed.
uri = Services.io.newURI(aUri, null, null);
} catch (ex) {
throw new Error("invalid-calendar-url");
}
return uri;
},
parseVcardDateTime: function ( newServerValue, metadata ) {
if (!newServerValue) {
return false;
}
/*
** This accepts RFC2426 BDAY values (with/without hyphens),
** though TB doesn't handle the time part of date-times, so we discard it.
*/
let bday = newServerValue.match( /^(\d{4})-?(\d{2})-?(\d{2})/ );
if (!bday) {
return false;
}
/*
** Apple Contacts shoehorns date with missing year into vcard3 thus: BDAY;X-APPLE-OMIT-YEAR=1604:1604-03-15
** Later in vcard4, it will be represented as BDAY:--0315
*/
if (metadata
&& metadata['x-apple-omit-year']
&& metadata['x-apple-omit-year'] == bday[1]) {
bday[1] = '';
}
return bday;
},
//* * * * * * * * * * * * * *
//* EVALUATE XML RESPONSES *
//* * * * * * * * * * * * * *
convertToXML: function(text) {
//try to convert response body to xml
let xml = null;
let oParser = new DOMParser();
try {
xml = oParser.parseFromString(dav.tools.removeXMLInvalidChars(text), "application/xml");
} catch (e) {
//however, domparser does not throw an error, it returns an error document
//https://developer.mozilla.org/de/docs/Web/API/DOMParser
xml = null;
}
//check if xml is error document
if (xml && xml.documentElement.nodeName == "parsererror") {
xml = null;
}
return xml;
},
evaluateNode: function (_node, path) {
let node = _node;
let valid = false;
for (let i=0; i < path.length; i++) {
let children = node.children;
valid = false;
for (let c=0; c < children.length; c++) {
if (children[c].localName == path[i][1] && children[c].namespaceURI == dav.sync.ns[path[i][0]]) {
node = children[c];
valid = true;
break;
}
}
if (!valid) {
//none of the children matched the path abort
return null;
}
}
if (valid) return node;
return null;
},
hrefMatch:function (_requestHref, _responseHref) {
if (_requestHref === null)
return true;
let requestHref = _requestHref;
let responseHref = _responseHref;
while (requestHref.endsWith("/")) { requestHref = requestHref.slice(0,-1); }
while (responseHref.endsWith("/")) { responseHref = responseHref.slice(0,-1); }
if (requestHref.endsWith(responseHref) || decodeURIComponent(requestHref).endsWith(responseHref) || requestHref.endsWith(decodeURIComponent(responseHref)))
return true;
return false;
},
getNodeTextContentFromMultiResponse: function (response, path, href = null, status = ["200"]) {
for (let i=0; i < response.multi.length; i++) {
let node = dav.tools.evaluateNode(response.multi[i].node, path);
if (node !== null && dav.tools.hrefMatch(href, response.multi[i].href) && status.includes(response.multi[i].status)) {
return node.textContent;
}
}
return null;
},
getNodesTextContentFromMultiResponse: function (response, path, href = null, status = "200") {
//remove last element from path
let lastPathElement = path.pop();
let rv = [];
for (let i=0; i < response.multi.length; i++) {
let node = dav.tools.evaluateNode(response.multi[i].node, path);
if (node !== null && dav.tools.hrefMatch(href, response.multi[i].href) && response.multi[i].status == status) {
//get all children
let children = node.getElementsByTagNameNS(dav.sync.ns[lastPathElement[0]], lastPathElement[1]);
for (let c=0; c < children.length; c++) {
if (children[c].textContent) rv.push(children[c].textContent);
}
}
}
return rv;
},
getMultiGetRequest: function(hrefs) {
let request = "<card:addressbook-multiget "+dav.tools.xmlns(["d", "card"])+"><d:prop><d:getetag /><card:address-data /></d:prop>";
let counts = 0;
for (let i=0; i < hrefs.length; i++) {
request += "<d:href>"+hrefs[i]+"</d:href>";
counts++;
}
request += "</card:addressbook-multiget>";
if (counts > 0) return request;
else return null;
},
}
|
