This repository was archived by the owner on Aug 2, 2025. It is now read-only.
forked from cztomczak/cefpython
-
Notifications
You must be signed in to change notification settings - Fork 4
Expand file tree
/
Copy pathresource_handler.pyx
More file actions
245 lines (225 loc) · 9.57 KB
/
resource_handler.pyx
File metadata and controls
245 lines (225 loc) · 9.57 KB
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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
# Copyright (c) 2013 CEF Python, see the Authors file.
# All rights reserved. Licensed under BSD 3-clause license.
# Project website: https://github.com/cztomczak/cefpython
include "../cefpython.pyx"
import weakref
# -----------------------------------------------------------------------------
# Globals
# -----------------------------------------------------------------------------
# See StoreUserCookieVisitor().
cdef object g_userResourceHandler = weakref.WeakValueDictionary()
cdef int g_userResourceHandlerMaxId = 0
# -----------------------------------------------------------------------------
# ResourceHandler
# -----------------------------------------------------------------------------
cdef py_void ValidateUserResourceHandler(object userResourceHandler):
cdef list methods = ["ProcessRequest", "GetResponseHeaders",
"ReadResponse", "CanGetCookie", "CanSetCookie", "Cancel"]
for method in methods:
if userResourceHandler and hasattr(userResourceHandler, method)\
and callable(getattr(userResourceHandler, method)):
# Okay.
continue
else:
raise Exception("ResourceHandler object is missing method: %s"\
% method)
cdef CefRefPtr[CefResourceHandler] CreateResourceHandler(
object userResourceHandler) except *:
ValidateUserResourceHandler(userResourceHandler)
cdef int resourceHandlerId = StoreUserResourceHandler(userResourceHandler)
cdef CefRefPtr[CefResourceHandler] resourceHandler =\
<CefRefPtr[CefResourceHandler]?>new ResourceHandler(
resourceHandlerId)
return resourceHandler
cdef int StoreUserResourceHandler(object userResourceHandler) except *:
global g_userResourceHandlerMaxId
global g_userResourceHandler
g_userResourceHandlerMaxId += 1
g_userResourceHandler[g_userResourceHandlerMaxId] = userResourceHandler
return g_userResourceHandlerMaxId
cdef PyResourceHandler GetPyResourceHandler(int resourceHandlerId):
global g_userResourceHandler
cdef object userResourceHandler
cdef PyResourceHandler pyResourceHandler
if resourceHandlerId in g_userResourceHandler:
userResourceHandler = g_userResourceHandler[resourceHandlerId]
pyResourceHandler = PyResourceHandler(userResourceHandler)
return pyResourceHandler
cdef class PyResourceHandler:
cdef object userResourceHandler
def __init__(self, object userResourceHandler):
self.userResourceHandler = userResourceHandler
cdef object GetCallback(self, str funcName):
if self.userResourceHandler and (
hasattr(self.userResourceHandler, funcName) and (
callable(getattr(self.userResourceHandler, funcName)))):
return getattr(self.userResourceHandler, funcName)
# ------------------------------------------------------------------------------
# ResourceHandler callbacks
# ------------------------------------------------------------------------------
cdef public cpp_bool ResourceHandler_ProcessRequest(
int resourceHandlerId,
CefRefPtr[CefRequest] cefRequest,
CefRefPtr[CefCallback] cefCallback
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
cdef py_bool returnValue
cdef PyRequest pyRequest
cdef PyCallback pyCallback
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
pyRequest = CreatePyRequest(cefRequest)
pyCallback = CreatePyCallback(cefCallback)
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("ProcessRequest")
if userCallback:
returnValue = userCallback(
request=pyRequest,
callback=pyCallback)
return bool(returnValue)
return False
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public void ResourceHandler_GetResponseHeaders(
int resourceHandlerId,
CefRefPtr[CefResponse] cefResponse,
int64& cefResponseLength,
CefString& cefRedirectUrl
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
cdef py_bool returnValue
cdef PyResponse pyResponse
cdef list responseLengthOut
cdef list redirectUrlOut
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
pyResponse = CreatePyResponse(cefResponse)
responseLengthOut = [cefResponseLength]
redirectUrlOut = [CefToPyString(cefRedirectUrl)]
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("GetResponseHeaders")
if userCallback:
returnValue = userCallback(pyResponse, responseLengthOut,
redirectUrlOut)
(&cefResponseLength)[0] = <int64>responseLengthOut[0]
if redirectUrlOut[0]:
PyToCefString(redirectUrlOut[0], cefRedirectUrl)
return
return
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool ResourceHandler_ReadResponse(
int resourceHandlerId,
void* cefDataOut,
int bytesToRead,
int& cefBytesRead,
CefRefPtr[CefCallback] cefCallback
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
cdef py_bool returnValue
cdef list dataOut
cdef list bytesReadOut
cdef PyCallback pyCallback
cdef char* tempData
cdef int tempDataLength
cdef int pyBytesRead
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
dataOut = [""]
bytesReadOut = [0]
pyCallback = CreatePyCallback(cefCallback)
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("ReadResponse")
if userCallback:
returnValue = userCallback(
data_out=dataOut,
bytes_to_read=bytesToRead,
bytes_read_out=bytesReadOut,
callback=pyCallback)
pyBytesRead = int(bytesReadOut[0])
if dataOut[0] and IsString(dataOut[0]):
# The tempData pointer is tied to the lifetime
# of dataOut[0] string.
tempData = dataOut[0]
memcpy(cefDataOut, tempData, len(dataOut[0]))
assert pyBytesRead >= 0, "bytesReadOut < 0"
(&cefBytesRead)[0] = pyBytesRead
# True should be returned now.
else:
(&cefBytesRead)[0] = 0
# Either:
# 1. True should be returned and callback.Continue()
# called at a later time.
# 2. False returned to indicate response completion.
return bool(returnValue)
return False
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool ResourceHandler_CanGetCookie(
int resourceHandlerId,
const CefCookie& cefCookie
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
cdef py_bool returnValue
cdef PyCookie pyCookie
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
pyCookie = CreatePyCookie(cefCookie)
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("CanGetCookie")
if userCallback:
returnValue = userCallback(cookie=pyCookie)
return bool(returnValue)
return False
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool ResourceHandler_CanSetCookie(
int resourceHandlerId,
const CefCookie& cefCookie
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
cdef py_bool returnValue
cdef PyCookie pyCookie
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
pyCookie = CreatePyCookie(cefCookie)
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("CanSetCookie")
if userCallback:
returnValue = userCallback(cookie=pyCookie)
return bool(returnValue)
return False
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public void ResourceHandler_Cancel(
int resourceHandlerId
) except * with gil:
cdef PyResourceHandler pyResourceHandler
cdef object userCallback
try:
assert IsThread(TID_IO), "Must be called on the IO thread"
pyResourceHandler = GetPyResourceHandler(resourceHandlerId)
if pyResourceHandler:
userCallback = pyResourceHandler.GetCallback("Cancel")
if userCallback:
userCallback()
return
return
except:
(exc_type, exc_value, exc_trace) = sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)