1
2
3 __doc__ = """GNUmed web user interface server launcher.
4 """
5
6 __version__ = "$Revision: 0.1 $"
7 __author__ = "S. Hilbert <Sebastian.Hilbert@gmx.net>"
8 __license__ = "GPL v2 or later (details at http://www.gnu.org)"
9
10
11 import re, sys, time, os, cPickle, zlib, locale, os.path
12 import datetime as pyDT, shutil, logging, urllib2
13
14
15 from jsonserver import SimpleForkingJSONRPCServer, CloseConnection
16
17
18 from Gnumed.pycommon import gmI18N, gmTools, gmDateTime, gmHooks
19 from Gnumed.pycommon import gmLoginInfo, gmBackendListener, gmTools, gmCfg2
20 from Gnumed.pycommon import gmCfg2, gmI18N, gmDispatcher, gmBusinessDBObject
21 from Gnumed.pycommon.gmBusinessDBObject import jsonclasshintify
22 from Gnumed.pycommon import gmPG2
23 from Gnumed.business import gmDocuments
24 from Gnumed.business import gmPerson
25 from Gnumed.business import gmStaff
26 from Gnumed.business import gmProviderInbox
27 from Gnumed.business import gmPersonSearch
28
29
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33
34
35 _cfg = gmCfg2.gmCfgData()
36 _provider = None
37 _scripting_listener = None
38
39 _log = logging.getLogger('gm.main')
40 _log.info(__version__)
41 _log.info('web GUI framework')
42
43
44
45
46 -def connect_to_database(login_info=None, max_attempts=3, expected_version=None, require_version=True):
47 """Display the login dialog and try to log into the backend.
48
49 - up to max_attempts times
50 - returns True/False
51 """
52 from Gnumed.pycommon import gmPG2
53
54 expected_hash = gmPG2.known_schema_hashes[expected_version]
55 client_version = _cfg.get(option = u'client_version')
56 global current_db_name
57 current_db_name = u'gnumed_v%s' % expected_version
58
59 attempt = 0
60
61 while attempt < max_attempts:
62
63 _log.debug('login attempt %s of %s', (attempt+1), max_attempts)
64
65 connected = False
66
67 login = login_info
68 if login is None:
69 _log.info("did not provide a login information")
70
71
72 dsn = gmPG2.make_psycopg2_dsn (
73 database = login.database,
74 host = login.host,
75 port = login.port,
76 user = login.user,
77 password = login.password
78 )
79 try:
80
81 conn = gmPG2.get_raw_connection(dsn = dsn, verbose = True, readonly = True)
82 connected = True
83
84 except gmPG2.cAuthenticationError, e:
85 attempt += 1
86 _log.error(u"login attempt failed: %s", e)
87 if attempt < max_attempts:
88 if (u'host=127.0.0.1' in (u'%s' % e)) or (u'host=' not in (u'%s' % e)):
89 msg = _(
90 'Unable to connect to database:\n\n'
91 '%s\n\n'
92 "Are you sure you have got a local database installed ?\n"
93 '\n'
94 "Please retry with proper credentials or cancel.\n"
95 '\n'
96 'You may also need to check the PostgreSQL client\n'
97 'authentication configuration in pg_hba.conf. For\n'
98 'details see:\n'
99 '\n'
100 'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL'
101 )
102 else:
103 msg = _(
104 "Unable to connect to database:\n\n"
105 "%s\n\n"
106 "Please retry with proper credentials or cancel.\n"
107 "\n"
108 'You may also need to check the PostgreSQL client\n'
109 'authentication configuration in pg_hba.conf. For\n'
110 'details see:\n'
111 '\n'
112 'wiki.gnumed.de/bin/view/Gnumed/ConfigurePostgreSQL'
113 )
114 msg = msg % e
115 msg = re.sub(r'password=[^\s]+', u'password=%s' % gmTools.u_replacement_character, msg)
116 gmGuiHelpers.gm_show_error (
117 msg,
118 _('Connecting to backend')
119 )
120 del e
121 continue
122
123 except gmPG2.dbapi.OperationalError, e:
124 _log.error(u"login attempt failed: %s", e)
125 msg = _(
126 "Unable to connect to database:\n\n"
127 "%s\n\n"
128 "Please retry another backend / user / password combination !\n"
129 ) % gmPG2.extract_msg_from_pg_exception(e)
130 msg = re.sub(r'password=[^\s]+', u'password=%s' % gmTools.u_replacement_character, msg)
131 gmGuiHelpers.gm_show_error (
132 msg,
133 _('Connecting to backend')
134 )
135 del e
136 continue
137
138
139 gmPG2.set_default_login(login = login)
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183 listener = gmBackendListener.gmBackendListener(conn = conn)
184 break
185
186
187
188 return connected
189
190
191
192
194 """Get server profiles from the configuration files.
195
196 1) from system-wide file
197 2) from user file
198
199 Profiles in the user file which have the same name
200 as a profile in the system file will override the
201 system file.
202 """
203
204 src_order = [
205 (u'explicit', u'extend'),
206 (u'system', u'extend'),
207 (u'user', u'extend'),
208 (u'workbase', u'extend')
209 ]
210
211 profile_names = gmTools.coalesce (
212 _cfg.get(group = u'backend', option = u'profiles', source_order = src_order),
213 []
214 )
215
216
217 src_order = [
218 (u'explicit', u'return'),
219 (u'workbase', u'return'),
220 (u'user', u'return'),
221 (u'system', u'return')
222 ]
223
224 profiles = {}
225
226 for profile_name in profile_names:
227
228
229 profile = cBackendProfile()
230 profile_section = 'profile %s' % profile_name
231
232 profile.name = profile_name
233 profile.host = gmTools.coalesce(_cfg.get(profile_section, u'host', src_order), u'').strip()
234 port = gmTools.coalesce(_cfg.get(profile_section, u'port', src_order), 5432)
235 try:
236 profile.port = int(port)
237 if profile.port < 1024:
238 raise ValueError('refusing to use priviledged port (< 1024)')
239 except ValueError:
240 _log.warning('invalid port definition: [%s], skipping profile [%s]', port, profile_name)
241 continue
242 profile.database = gmTools.coalesce(_cfg.get(profile_section, u'database', src_order), u'').strip()
243 if profile.database == u'':
244 _log.warning('database name not specified, skipping profile [%s]', profile_name)
245 continue
246 profile.encoding = gmTools.coalesce(_cfg.get(profile_section, u'encoding', src_order), u'UTF8')
247 profile.public_db = bool(_cfg.get(profile_section, u'public/open access', src_order))
248 profile.helpdesk = _cfg.get(profile_section, u'help desk', src_order)
249
250 label = u'%s (%s@%s)' % (profile_name, profile.database, profile.host)
251 profiles[label] = profile
252
253
254
255 if not (_cfg.get(option = 'debug') or current_db_name.endswith('_devel')):
256 profiles2remove = []
257 for label in profiles:
258 if profiles[label].database != current_db_name:
259 profiles2remove.append(label)
260 for label in profiles2remove:
261 del profiles[label]
262
263 if len(profiles) == 0:
264 host = u'publicdb.gnumed.de'
265 label = u'public GNUmed database (%s@%s)' % (current_db_name, host)
266 profiles[label] = cBackendProfile()
267 profiles[label].name = label
268 profiles[label].host = host
269 profiles[label].port = 5432
270 profiles[label].database = current_db_name
271 profiles[label].encoding = u'UTF8'
272 profiles[label].public_db = True
273 profiles[label].helpdesk = u'http://wiki.gnumed.de'
274
275 return profiles
276
277
278 -def GetLoginInfo(username=None, password=None, backend=None ):
279
280
281
282
283
284 """convenience function for compatibility with gmLoginInfo.LoginInfo"""
285 from Gnumed.pycommon import gmLoginInfo
286
287
288
289
290 __backend_profiles = __get_backend_profiles()
291 profile = __backend_profiles[backend.encode('utf8').strip()]
292
293 _log.debug(u'backend profile "%s" selected', profile.name)
294 _log.debug(u' details: <%s> on %s@%s:%s (%s, %s)',
295 username,
296 profile.database,
297 profile.host,
298 profile.port,
299 profile.encoding,
300 gmTools.bool2subst(profile.public_db, u'public', u'private')
301 )
302
303 login = gmLoginInfo.LoginInfo (
304 user = username,
305 password = password,
306 host = profile.host,
307 database = profile.database,
308 port = profile.port
309 )
310
311
312 return login
313
314
316 try:
317 kwargs['originated_in_database']
318 print '==> got notification from database "%s":' % kwargs['signal']
319 except KeyError:
320 print '==> received signal from client: "%s"' % kwargs['signal']
321
322 del kwargs['signal']
323 for key in kwargs.keys():
324 print ' [%s]: %s' % (key, kwargs[key])
325
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331
332
333 PYJSDIR = sys._getframe().f_code.co_filename
334 PYJSDIR = os.path.split(os.path.dirname(PYJSDIR))[0]
335 PYJSDIR = os.path.join(PYJSDIR, 'pyjamas')
336
337 DEFAULT_BACKEND = "GNUmed database on this machine (Linux/Mac) (gnumed_v19@)"
338
340 '''An application instance containing any number of streams. Except for constructor all methods are generators.'''
341 count = 0
355
356 - def echo(self, text):
364
365 - def login(self, username=None, password=None, backend=None):
380
382 """ return value is in the exception
383 """
384 raise CloseConnection(True)
385
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440
441 if _cfg.get(option = 'debug'):
442 gmDispatcher.connect(receiver = _signal_debugging_monitor)
443 _log.debug('gmDispatcher signal monitor activated')
444
445 server = HTTPServer()
446 server.serve_forever()
447