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[youtubedl] / devscripts / buildserver.py
1 #!/usr/bin/python3
2
3 from http.server import HTTPServer, BaseHTTPRequestHandler
4 from socketserver import ThreadingMixIn
5 import argparse
6 import ctypes
7 import functools
8 import sys
9 import threading
10 import traceback
11 import os.path
12
13
14 class BuildHTTPServer(ThreadingMixIn, HTTPServer):
15 allow_reuse_address = True
16
17
18 advapi32 = ctypes.windll.advapi32
19
20 SC_MANAGER_ALL_ACCESS = 0xf003f
21 SC_MANAGER_CREATE_SERVICE = 0x02
22 SERVICE_WIN32_OWN_PROCESS = 0x10
23 SERVICE_AUTO_START = 0x2
24 SERVICE_ERROR_NORMAL = 0x1
25 DELETE = 0x00010000
26 SERVICE_STATUS_START_PENDING = 0x00000002
27 SERVICE_STATUS_RUNNING = 0x00000004
28 SERVICE_ACCEPT_STOP = 0x1
29
30 SVCNAME = 'youtubedl_builder'
31
32 LPTSTR = ctypes.c_wchar_p
33 START_CALLBACK = ctypes.WINFUNCTYPE(None, ctypes.c_int, ctypes.POINTER(LPTSTR))
34
35
36 class SERVICE_TABLE_ENTRY(ctypes.Structure):
37 _fields_ = [
38 ('lpServiceName', LPTSTR),
39 ('lpServiceProc', START_CALLBACK)
40 ]
41
42
43 HandlerEx = ctypes.WINFUNCTYPE(
44 ctypes.c_int, # return
45 ctypes.c_int, # dwControl
46 ctypes.c_int, # dwEventType
47 ctypes.c_void_p, # lpEventData,
48 ctypes.c_void_p, # lpContext,
49 )
50
51
52 def _ctypes_array(c_type, py_array):
53 ar = (c_type * len(py_array))()
54 ar[:] = py_array
55 return ar
56
57
58 def win_OpenSCManager():
59 res = advapi32.OpenSCManagerW(None, None, SC_MANAGER_ALL_ACCESS)
60 if not res:
61 raise Exception('Opening service manager failed - '
62 'are you running this as administrator?')
63 return res
64
65
66 def win_install_service(service_name, cmdline):
67 manager = win_OpenSCManager()
68 try:
69 h = advapi32.CreateServiceW(
70 manager, service_name, None,
71 SC_MANAGER_CREATE_SERVICE, SERVICE_WIN32_OWN_PROCESS,
72 SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
73 cmdline, None, None, None, None, None)
74 if not h:
75 raise OSError('Service creation failed: %s' % ctypes.FormatError())
76
77 advapi32.CloseServiceHandle(h)
78 finally:
79 advapi32.CloseServiceHandle(manager)
80
81
82 def win_uninstall_service(service_name):
83 manager = win_OpenSCManager()
84 try:
85 h = advapi32.OpenServiceW(manager, service_name, DELETE)
86 if not h:
87 raise OSError('Could not find service %s: %s' % (
88 service_name, ctypes.FormatError()))
89
90 try:
91 if not advapi32.DeleteService(h):
92 raise OSError('Deletion failed: %s' % ctypes.FormatError())
93 finally:
94 advapi32.CloseServiceHandle(h)
95 finally:
96 advapi32.CloseServiceHandle(manager)
97
98
99 def win_service_report_event(service_name, msg, is_error=True):
100 with open('C:/sshkeys/log', 'a', encoding='utf-8') as f:
101 f.write(msg + '\n')
102
103 event_log = advapi32.RegisterEventSourceW(None, service_name)
104 if not event_log:
105 raise OSError('Could not report event: %s' % ctypes.FormatError())
106
107 try:
108 type_id = 0x0001 if is_error else 0x0004
109 event_id = 0xc0000000 if is_error else 0x40000000
110 lines = _ctypes_array(LPTSTR, [msg])
111
112 if not advapi32.ReportEventW(
113 event_log, type_id, 0, event_id, None, len(lines), 0,
114 lines, None):
115 raise OSError('Event reporting failed: %s' % ctypes.FormatError())
116 finally:
117 advapi32.DeregisterEventSource(event_log)
118
119
120 def win_service_handler(stop_event, *args):
121 try:
122 raise ValueError('Handler called with args ' + repr(args))
123 TODO
124 except Exception as e:
125 tb = traceback.format_exc()
126 msg = str(e) + '\n' + tb
127 win_service_report_event(service_name, msg, is_error=True)
128 raise
129
130
131 def win_service_set_status(handle, status_code):
132 svcStatus = SERVICE_STATUS()
133 svcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS
134 svcStatus.dwCurrentState = status_code
135 svcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP
136
137 svcStatus.dwServiceSpecificExitCode = 0
138
139 if not advapi32.SetServiceStatus(handle, ctypes.byref(svcStatus)):
140 raise OSError('SetServiceStatus failed: %r' % ctypes.FormatError())
141
142
143 def win_service_main(service_name, real_main, argc, argv_raw):
144 try:
145 # args = [argv_raw[i].value for i in range(argc)]
146 stop_event = threading.Event()
147 handler = HandlerEx(functools.partial(stop_event, win_service_handler))
148 h = advapi32.RegisterServiceCtrlHandlerExW(service_name, handler, None)
149 if not h:
150 raise OSError('Handler registration failed: %s' %
151 ctypes.FormatError())
152
153 TODO
154 except Exception as e:
155 tb = traceback.format_exc()
156 msg = str(e) + '\n' + tb
157 win_service_report_event(service_name, msg, is_error=True)
158 raise
159
160
161 def win_service_start(service_name, real_main):
162 try:
163 cb = START_CALLBACK(
164 functools.partial(win_service_main, service_name, real_main))
165 dispatch_table = _ctypes_array(SERVICE_TABLE_ENTRY, [
166 SERVICE_TABLE_ENTRY(
167 service_name,
168 cb
169 ),
170 SERVICE_TABLE_ENTRY(None, ctypes.cast(None, START_CALLBACK))
171 ])
172
173 if not advapi32.StartServiceCtrlDispatcherW(dispatch_table):
174 raise OSError('ctypes start failed: %s' % ctypes.FormatError())
175 except Exception as e:
176 tb = traceback.format_exc()
177 msg = str(e) + '\n' + tb
178 win_service_report_event(service_name, msg, is_error=True)
179 raise
180
181
182 def main(args=None):
183 parser = argparse.ArgumentParser()
184 parser.add_argument('-i', '--install',
185 action='store_const', dest='action', const='install',
186 help='Launch at Windows startup')
187 parser.add_argument('-u', '--uninstall',
188 action='store_const', dest='action', const='uninstall',
189 help='Remove Windows service')
190 parser.add_argument('-s', '--service',
191 action='store_const', dest='action', const='service',
192 help='Run as a Windows service')
193 parser.add_argument('-b', '--bind', metavar='<host:port>',
194 action='store', default='localhost:8142',
195 help='Bind to host:port (default %default)')
196 options = parser.parse_args(args=args)
197
198 if options.action == 'install':
199 fn = os.path.abspath(__file__).replace('v:', '\\\\vboxsrv\\vbox')
200 cmdline = '%s %s -s -b %s' % (sys.executable, fn, options.bind)
201 win_install_service(SVCNAME, cmdline)
202 return
203
204 if options.action == 'uninstall':
205 win_uninstall_service(SVCNAME)
206 return
207
208 if options.action == 'service':
209 win_service_start(SVCNAME, main)
210 return
211
212 host, port_str = options.bind.split(':')
213 port = int(port_str)
214
215 print('Listening on %s:%d' % (host, port))
216 srv = BuildHTTPServer((host, port), BuildHTTPRequestHandler)
217 thr = threading.Thread(target=srv.serve_forever)
218 thr.start()
219 input('Press ENTER to shut down')
220 srv.shutdown()
221 thr.join()
222
223
224 def rmtree(path):
225 for name in os.listdir(path):
226 fname = os.path.join(path, name)
227 if os.path.isdir(fname):
228 rmtree(fname)
229 else:
230 os.chmod(fname, 0o666)
231 os.remove(fname)
232 os.rmdir(path)
233
234 #==============================================================================
235
236
237 class BuildError(Exception):
238 def __init__(self, output, code=500):
239 self.output = output
240 self.code = code
241
242 def __str__(self):
243 return self.output
244
245
246 class HTTPError(BuildError):
247 pass
248
249
250 class PythonBuilder(object):
251 def __init__(self, **kwargs):
252 pythonVersion = kwargs.pop('python', '2.7')
253 try:
254 key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Python\PythonCore\%s\InstallPath' % pythonVersion)
255 try:
256 self.pythonPath, _ = _winreg.QueryValueEx(key, '')
257 finally:
258 _winreg.CloseKey(key)
259 except Exception:
260 raise BuildError('No such Python version: %s' % pythonVersion)
261
262 super(PythonBuilder, self).__init__(**kwargs)
263
264
265 class GITInfoBuilder(object):
266 def __init__(self, **kwargs):
267 try:
268 self.user, self.repoName = kwargs['path'][:2]
269 self.rev = kwargs.pop('rev')
270 except ValueError:
271 raise BuildError('Invalid path')
272 except KeyError as e:
273 raise BuildError('Missing mandatory parameter "%s"' % e.args[0])
274
275 path = os.path.join(os.environ['APPDATA'], 'Build archive', self.repoName, self.user)
276 if not os.path.exists(path):
277 os.makedirs(path)
278 self.basePath = tempfile.mkdtemp(dir=path)
279 self.buildPath = os.path.join(self.basePath, 'build')
280
281 super(GITInfoBuilder, self).__init__(**kwargs)
282
283
284 class GITBuilder(GITInfoBuilder):
285 def build(self):
286 try:
287 subprocess.check_output(['git', 'clone', 'git://github.com/%s/%s.git' % (self.user, self.repoName), self.buildPath])
288 subprocess.check_output(['git', 'checkout', self.rev], cwd=self.buildPath)
289 except subprocess.CalledProcessError as e:
290 raise BuildError(e.output)
291
292 super(GITBuilder, self).build()
293
294
295 class YoutubeDLBuilder(object):
296 authorizedUsers = ['fraca7', 'phihag', 'rg3', 'FiloSottile']
297
298 def __init__(self, **kwargs):
299 if self.repoName != 'youtube-dl':
300 raise BuildError('Invalid repository "%s"' % self.repoName)
301 if self.user not in self.authorizedUsers:
302 raise HTTPError('Unauthorized user "%s"' % self.user, 401)
303
304 super(YoutubeDLBuilder, self).__init__(**kwargs)
305
306 def build(self):
307 try:
308 subprocess.check_output([os.path.join(self.pythonPath, 'python.exe'), 'setup.py', 'py2exe'],
309 cwd=self.buildPath)
310 except subprocess.CalledProcessError as e:
311 raise BuildError(e.output)
312
313 super(YoutubeDLBuilder, self).build()
314
315
316 class DownloadBuilder(object):
317 def __init__(self, **kwargs):
318 self.handler = kwargs.pop('handler')
319 self.srcPath = os.path.join(self.buildPath, *tuple(kwargs['path'][2:]))
320 self.srcPath = os.path.abspath(os.path.normpath(self.srcPath))
321 if not self.srcPath.startswith(self.buildPath):
322 raise HTTPError(self.srcPath, 401)
323
324 super(DownloadBuilder, self).__init__(**kwargs)
325
326 def build(self):
327 if not os.path.exists(self.srcPath):
328 raise HTTPError('No such file', 404)
329 if os.path.isdir(self.srcPath):
330 raise HTTPError('Is a directory: %s' % self.srcPath, 401)
331
332 self.handler.send_response(200)
333 self.handler.send_header('Content-Type', 'application/octet-stream')
334 self.handler.send_header('Content-Disposition', 'attachment; filename=%s' % os.path.split(self.srcPath)[-1])
335 self.handler.send_header('Content-Length', str(os.stat(self.srcPath).st_size))
336 self.handler.end_headers()
337
338 with open(self.srcPath, 'rb') as src:
339 shutil.copyfileobj(src, self.handler.wfile)
340
341 super(DownloadBuilder, self).build()
342
343
344 class CleanupTempDir(object):
345 def build(self):
346 try:
347 rmtree(self.basePath)
348 except Exception as e:
349 print('WARNING deleting "%s": %s' % (self.basePath, e))
350
351 super(CleanupTempDir, self).build()
352
353
354 class Null(object):
355 def __init__(self, **kwargs):
356 pass
357
358 def start(self):
359 pass
360
361 def close(self):
362 pass
363
364 def build(self):
365 pass
366
367
368 class Builder(PythonBuilder, GITBuilder, YoutubeDLBuilder, DownloadBuilder, CleanupTempDir, Null):
369 pass
370
371
372 class BuildHTTPRequestHandler(BaseHTTPRequestHandler):
373 actionDict = {'build': Builder, 'download': Builder} # They're the same, no more caching.
374
375 def do_GET(self):
376 path = urlparse.urlparse(self.path)
377 paramDict = dict([(key, value[0]) for key, value in urlparse.parse_qs(path.query).items()])
378 action, _, path = path.path.strip('/').partition('/')
379 if path:
380 path = path.split('/')
381 if action in self.actionDict:
382 try:
383 builder = self.actionDict[action](path=path, handler=self, **paramDict)
384 builder.start()
385 try:
386 builder.build()
387 finally:
388 builder.close()
389 except BuildError as e:
390 self.send_response(e.code)
391 msg = unicode(e).encode('UTF-8')
392 self.send_header('Content-Type', 'text/plain; charset=UTF-8')
393 self.send_header('Content-Length', len(msg))
394 self.end_headers()
395 self.wfile.write(msg)
396 except HTTPError as e:
397 self.send_response(e.code, str(e))
398 else:
399 self.send_response(500, 'Unknown build method "%s"' % action)
400 else:
401 self.send_response(500, 'Malformed URL')
402
403 #==============================================================================
404
405 if __name__ == '__main__':
406 main()