4 from qtpy
import QtCore
6 from qtpy
import QtWidgets
7 from qtpy
import QtNetwork
12 from .compat
import parse
13 from .models
import prefs
14 from .widgets
import defs
19 def url_for_email(email
, imgsize
):
20 email_hash
= md5_hexdigest(email
)
21 # Python2.6 requires byte strings for urllib2.quote() so we have
23 default_url
= 'https://git-cola.github.io/images/git-64x64.jpg'
24 encoded_url
= parse
.quote(core
.encode(default_url
), core
.encode(''))
25 query
= '?s=%d&d=%s' % (imgsize
, core
.decode(encoded_url
))
26 url
= 'https://gravatar.com/avatar/' + email_hash
+ query
30 def md5_hexdigest(value
):
31 """Return the md5 hexdigest for a value.
33 Used for implementing the gravatar API. Not used for security purposes.
35 # https://github.com/git-cola/git-cola/issues/1157
36 # ValueError: error:060800A3:
37 # digital envelope routines: EVP_DigestInit_ex: disabled for fips
39 # Newer versions of Python, including Centos8's patched Python3.6 and
40 # mainline Python 3.9+ have a "usedoforsecurity" parameter which allows us
41 # to continue using hashlib.md5().
42 encoded_value
= core
.encode(value
)
45 # This could raise ValueError in theory but we always use encoded bytes
46 # so that does not happen in practice.
47 result
= hashlib
.md5(encoded_value
, usedforsecurity
=False).hexdigest()
49 # Fallback to trying hashlib.md5 directly.
50 result
= hashlib
.md5(encoded_value
).hexdigest()
51 return core
.decode(result
)
54 class GravatarLabel(QtWidgets
.QLabel
):
55 def __init__(self
, context
, parent
=None):
56 QtWidgets
.QLabel
.__init
__(self
, parent
)
58 self
.context
= context
62 self
.imgsize
= defs
.medium_icon
64 self
._default
_pixmap
_bytes
= None
66 self
.network
= QtNetwork
.QNetworkAccessManager()
67 self
.network
.finished
.connect(self
.network_finished
)
69 def set_email(self
, email
):
70 """Update the author icon based on the specified email"""
71 pixmap
= self
.pixmaps
.get(email
, None)
72 if pixmap
is not None:
73 self
.setPixmap(pixmap
)
75 if self
.timeout
> 0 and (int(time
.time()) - self
.timeout
) < (5 * 60):
76 self
.set_pixmap_from_response()
78 if email
== self
.email
and self
.response
is not None:
79 self
.set_pixmap_from_response()
84 def request(self
, email
):
85 if prefs
.enable_gravatar(self
.context
):
86 url
= Gravatar
.url_for_email(email
, self
.imgsize
)
87 self
.network
.get(QtNetwork
.QNetworkRequest(QtCore
.QUrl(url
)))
89 self
.pixmaps
[email
] = self
.set_pixmap_from_response()
91 def default_pixmap_as_bytes(self
):
92 if self
._default
_pixmap
_bytes
is None:
94 pixmap
= icons
.cola().pixmap(xres
)
95 byte_array
= QtCore
.QByteArray()
96 buf
= QtCore
.QBuffer(byte_array
)
97 buf
.open(QtCore
.QIODevice
.WriteOnly
)
98 pixmap
.save(buf
, 'PNG')
100 self
._default
_pixmap
_bytes
= byte_array
102 byte_array
= self
._default
_pixmap
_bytes
105 def network_finished(self
, reply
):
108 header
= QtCore
.QByteArray(b
'Location')
109 location
= core
.decode(bytes(reply
.rawHeader(header
))).strip()
111 request_location
= Gravatar
.url_for_email(self
.email
, self
.imgsize
)
112 relocated
= location
!= request_location
115 no_error
= qtutils
.enum_value(QtNetwork
.QNetworkReply
.NetworkError
.NoError
)
116 reply_error
= qtutils
.enum_value(reply
.error())
117 if reply_error
== no_error
:
119 # We could do get_url(parse.unquote(location)) to
120 # download the default image.
121 # Save bandwidth by using a pixmap.
122 self
.response
= self
.default_pixmap_as_bytes()
124 self
.response
= reply
.readAll()
127 self
.response
= self
.default_pixmap_as_bytes()
128 self
.timeout
= int(time
.time())
130 pixmap
= self
.set_pixmap_from_response()
132 # If the email has not changed (e.g. no other requests)
133 # then we know that this pixmap corresponds to this specific
134 # email address. We can't blindly trust self.email else
135 # we may add cache entries for thee wrong email address.
136 url
= Gravatar
.url_for_email(email
, self
.imgsize
)
137 if url
== reply
.url().toString():
138 self
.pixmaps
[email
] = pixmap
140 def set_pixmap_from_response(self
):
141 if self
.response
is None:
142 self
.response
= self
.default_pixmap_as_bytes()
143 pixmap
= QtGui
.QPixmap()
144 pixmap
.loadFromData(self
.response
)
145 self
.setPixmap(pixmap
)