summaryrefslogtreecommitdiffstats
path: root/addon-sdk/source/python-lib/cuddlefish/rdf.py
blob: 2964897c199e44d8f4586979b63c3718f13f8b9c (plain)
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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
# 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/.

import os
import xml.dom.minidom
import StringIO

RDF_NS = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
EM_NS = "http://www.mozilla.org/2004/em-rdf#"

class RDF(object):
    def __str__(self):
        # real files have an .encoding attribute and use it when you
        # write() unicode into them: they read()/write() unicode and
        # put encoded bytes in the backend file. StringIO objects
        # read()/write() unicode and put unicode in the backing store,
        # so we must encode the output of getvalue() to get a
        # bytestring. (cStringIO objects are weirder: they effectively
        # have .encoding hardwired to "ascii" and put only bytes in
        # the backing store, so we can't use them here).
        #
        # The encoding= argument to dom.writexml() merely sets the XML header's
        # encoding= attribute. It still writes unencoded unicode to the output file,
        # so we have to encode it for real afterwards.
        #
        # Also see: https://bugzilla.mozilla.org/show_bug.cgi?id=567660

        buf = StringIO.StringIO()
        self.dom.writexml(buf, encoding="utf-8")
        return buf.getvalue().encode('utf-8')

class RDFUpdate(RDF):
    def __init__(self):
        impl = xml.dom.minidom.getDOMImplementation()
        self.dom = impl.createDocument(RDF_NS, "RDF", None)
        self.dom.documentElement.setAttribute("xmlns", RDF_NS)
        self.dom.documentElement.setAttribute("xmlns:em", EM_NS)

    def _make_node(self, name, value, parent):
        elem = self.dom.createElement(name)
        elem.appendChild(self.dom.createTextNode(value))
        parent.appendChild(elem)
        return elem

    def add(self, manifest, update_link):
        desc = self.dom.createElement("Description")
        desc.setAttribute(
            "about",
            "urn:mozilla:extension:%s" % manifest.get("em:id")
            )
        self.dom.documentElement.appendChild(desc)

        updates = self.dom.createElement("em:updates")
        desc.appendChild(updates)

        seq = self.dom.createElement("Seq")
        updates.appendChild(seq)

        li = self.dom.createElement("li")
        seq.appendChild(li)

        li_desc = self.dom.createElement("Description")
        li.appendChild(li_desc)

        self._make_node("em:version", manifest.get("em:version"),
                        li_desc)

        apps = manifest.dom.documentElement.getElementsByTagName(
            "em:targetApplication"
            )

        for app in apps:
            target_app = self.dom.createElement("em:targetApplication")
            li_desc.appendChild(target_app)

            ta_desc = self.dom.createElement("Description")
            target_app.appendChild(ta_desc)

            for name in ["em:id", "em:minVersion", "em:maxVersion"]:
                elem = app.getElementsByTagName(name)[0]
                self._make_node(name, elem.firstChild.nodeValue, ta_desc)

            self._make_node("em:updateLink", update_link, ta_desc)

class RDFManifest(RDF):
    def __init__(self, path):
        self.dom = xml.dom.minidom.parse(path)

    def set(self, property, value):
        elements = self.dom.documentElement.getElementsByTagName(property)
        if not elements:
            raise ValueError("Element with value not found: %s" % property)
        if not elements[0].firstChild:
            elements[0].appendChild(self.dom.createTextNode(value))
        else:
            elements[0].firstChild.nodeValue = value

    def get(self, property, default=None):
        elements = self.dom.documentElement.getElementsByTagName(property)
        if not elements:
            return default
        return elements[0].firstChild.nodeValue

    def remove(self, property):
        elements = self.dom.documentElement.getElementsByTagName(property)
        if not elements:
            return True
        else:
            for i in elements:
                i.parentNode.removeChild(i);

        return True;

def gen_manifest(template_root_dir, target_cfg, jid,
                 update_url=None, bootstrap=True, enable_mobile=False):
    install_rdf = os.path.join(template_root_dir, "install.rdf")
    manifest = RDFManifest(install_rdf)
    dom = manifest.dom

    manifest.set("em:id", jid)
    manifest.set("em:version",
                 target_cfg.get('version', '1.0'))
    manifest.set("em:name",
                 target_cfg.get('title', target_cfg.get('fullName', target_cfg['name'])))
    manifest.set("em:description",
                 target_cfg.get("description", ""))
    manifest.set("em:creator",
                 target_cfg.get("author", ""))
    manifest.set("em:bootstrap", str(bootstrap).lower())
    # XPIs remain packed by default, but package.json can override that. The
    # RDF format accepts "true" as True, anything else as False. We expect
    # booleans in the .json file, not strings.
    manifest.set("em:unpack", "true" if target_cfg.get("unpack") else "false")

    if target_cfg.get('hasEmbeddedWebExtension', False):
        elem = dom.createElement("em:hasEmbeddedWebExtension");
        elem.appendChild(dom.createTextNode("true"))
        dom.documentElement.getElementsByTagName("Description")[0].appendChild(elem)

    for translator in target_cfg.get("translators", [ ]):
        elem = dom.createElement("em:translator");
        elem.appendChild(dom.createTextNode(translator))
        dom.documentElement.getElementsByTagName("Description")[0].appendChild(elem)

    for developer in target_cfg.get("developers", [ ]):
        elem = dom.createElement("em:developer");
        elem.appendChild(dom.createTextNode(developer))
        dom.documentElement.getElementsByTagName("Description")[0].appendChild(elem)

    for contributor in target_cfg.get("contributors", [ ]):
        elem = dom.createElement("em:contributor");
        elem.appendChild(dom.createTextNode(contributor))
        dom.documentElement.getElementsByTagName("Description")[0].appendChild(elem)

    if update_url:
        manifest.set("em:updateURL", update_url)
    else:
        manifest.remove("em:updateURL")

    if target_cfg.get("preferences"):
        manifest.set("em:optionsType", "2")

        # workaround until bug 971249 is fixed
        # https://bugzilla.mozilla.org/show_bug.cgi?id=971249
        manifest.set("em:optionsURL", "data:text/xml,<placeholder/>")

        # workaround for workaround, for testing simple-prefs-regression
        if (os.path.exists(os.path.join(template_root_dir, "options.xul"))):
            manifest.remove("em:optionsURL")
    else:
        manifest.remove("em:optionsType")
        manifest.remove("em:optionsURL")

    if enable_mobile:
        target_app = dom.createElement("em:targetApplication")
        dom.documentElement.getElementsByTagName("Description")[0].appendChild(target_app)

        ta_desc = dom.createElement("Description")
        target_app.appendChild(ta_desc)

        elem = dom.createElement("em:id")
        elem.appendChild(dom.createTextNode("{aa3c5121-dab2-40e2-81ca-7ea25febc110}"))
        ta_desc.appendChild(elem)

        elem = dom.createElement("em:minVersion")
        elem.appendChild(dom.createTextNode("26.0"))
        ta_desc.appendChild(elem)

        elem = dom.createElement("em:maxVersion")
        elem.appendChild(dom.createTextNode("30.0a1"))
        ta_desc.appendChild(elem)

    if target_cfg.get("homepage"):
        manifest.set("em:homepageURL", target_cfg.get("homepage"))
    else:
        manifest.remove("em:homepageURL")

    return manifest

if __name__ == "__main__":
    print "Running smoke test."
    root = os.path.join(os.path.dirname(__file__), '../../app-extension')
    manifest = gen_manifest(root, {'name': 'test extension'},
                            'fakeid', 'http://foo.com/update.rdf')
    update = RDFUpdate()
    update.add(manifest, "https://foo.com/foo.xpi")
    exercise_str = str(manifest) + str(update)
    for tagname in ["em:targetApplication", "em:version", "em:id"]:
        if not len(update.dom.getElementsByTagName(tagname)):
            raise Exception("tag does not exist: %s" % tagname)
        if not update.dom.getElementsByTagName(tagname)[0].firstChild:
            raise Exception("tag has no children: %s" % tagname)
    print "Success!"