57
73
def rebuild_svn_config(store, config):
58
74
"""Build the complete SVN configuration file.
60
75
@param config: An ivle.config.Config object.
62
users = store.find(User)
77
users = store.find(ivle.database.User)
79
# TODO: Populate groups with per-offering tutors/lecturers/etc.
63
80
conf_name = config['paths']['svn']['conf']
64
81
temp_name = conf_name + ".new"
65
82
f = open(temp_name, "w")
67
# IVLE SVN repository authorisation configuration
69
""" % {'time': time.asctime()})
83
f.write("# IVLE SVN Repositories Configuration\n")
84
f.write("# Auto-generated on %s\n" % time.asctime())
87
for (g,ls) in groups.iteritems():
88
f.write("%s = %s\n" % (g, ",".join(ls)))
75
""" % {'login': u.login})
77
# Now we need to grant offering tutors and lecturers access to the latest
78
# submissions in their offerings. There are much prettier ways to do this,
79
# but a lot of browser requests call this function, so it needs to be
80
# fast. We can grab all of the paths needing authorisation directives with
81
# a single query, and we cache the list of viewers for each offering.
82
offering_viewers_cache = {}
83
for (login, psid, pspath, offeringid) in store.find(
84
(User.login, ProjectSubmission.id, ProjectSubmission.path,
86
Assessed.id == ProjectSubmission.assessed_id,
87
User.id == Assessed.user_id,
88
Project.id == Assessed.project_id,
89
ProjectSet.id == Project.project_set_id,
90
Offering.id == ProjectSet.id,
91
ProjectSubmission.date_submitted == Select(
92
Max(ProjectSubmission.date_submitted),
93
ProjectSubmission.assessed_id == Assessed.id,
94
tables=ProjectSubmission
98
# Do we already have the list of logins authorised for this offering
99
# cached? If not, get it.
100
if offeringid not in offering_viewers_cache:
101
offering_viewers_cache[offeringid] = list(store.find(
103
User.id == Enrolment.user_id,
104
Enrolment.offering_id == offeringid,
105
Enrolment.role.is_in((u'tutor', u'lecturer'))
112
""" % {'login': login, 'id': psid, 'path': pspath})
114
for viewer_login in offering_viewers_cache[offeringid]:
115
# We don't want to override the owner's write privilege,
116
# so we don't add them to the read-only ACL.
117
if login != viewer_login:
118
f.write("%s = r\n" % viewer_login)
91
f.write("[%s:/]\n" % u.login)
92
f.write("%s = rw\n" % u.login)
93
#f.write("@tutor = r\n")
94
#f.write("@lecturer = rw\n")
95
#f.write("@admin = rw\n")
121
98
os.rename(temp_name, conf_name)
122
99
chown_to_webserver(conf_name)
124
101
def rebuild_svn_group_config(store, config):
125
102
"""Build the complete SVN configuration file for groups
127
103
@param config: An ivle.config.Config object.
129
105
conf_name = config['paths']['svn']['group_conf']
130
106
temp_name = conf_name + ".new"
131
107
f = open(temp_name, "w")
134
# IVLE SVN group repository authorisation configuration
135
# Generated: %(time)s
137
""" % {'time': time.asctime()})
139
group_members_cache = {}
108
f.write("# IVLE SVN Group Repositories Configuration\n")
109
f.write("# Auto-generated on %s\n" % time.asctime())
140
111
for group in store.find(ProjectGroup):
141
112
offering = group.project_set.offering
142
113
reponame = "_".join([offering.subject.short_name,
143
114
offering.semester.year,
144
115
offering.semester.semester,
147
f.write("[%s:/]\n" % reponame)
148
if group.id not in group_members_cache:
149
group_members_cache[group.id] = set()
117
f.write("[%s:/]\n"%reponame)
150
118
for user in group.members:
151
group_members_cache[group.id].add(user.login)
152
119
f.write("%s = rw\n" % user.login)
155
# Now we need to grant offering tutors and lecturers access to the latest
156
# submissions in their offerings. There are much prettier ways to do this,
157
# but a lot of browser requests call this function, so it needs to be
158
# fast. We can grab all of the paths needing authorisation directives with
159
# a single query, and we cache the list of viewers for each offering.
160
offering_viewers_cache = {}
161
for (ssn, year, sem, name, psid, pspath, gid, offeringid) in store.find(
162
(Subject.short_name, Semester.year, Semester.semester,
163
ProjectGroup.name, ProjectSubmission.id, ProjectSubmission.path,
164
ProjectGroup.id, Offering.id),
165
Assessed.id == ProjectSubmission.assessed_id,
166
ProjectGroup.id == Assessed.project_group_id,
167
Project.id == Assessed.project_id,
168
ProjectSet.id == Project.project_set_id,
169
Offering.id == ProjectSet.offering_id,
170
Subject.id == Offering.subject_id,
171
Semester.id == Offering.semester_id,
172
ProjectSubmission.date_submitted == Select(
173
Max(ProjectSubmission.date_submitted),
174
ProjectSubmission.assessed_id == Assessed.id,
175
tables=ProjectSubmission
179
reponame = "_".join([ssn, year, sem, name])
181
# Do we already have the list of logins authorised for this offering
182
# cached? If not, get it.
183
if offeringid not in offering_viewers_cache:
184
offering_viewers_cache[offeringid] = list(store.find(
186
User.id == Enrolment.user_id,
187
Enrolment.offering_id == offeringid,
188
Enrolment.role.is_in((u'tutor', u'lecturer'))
195
""" % {'repo': reponame, 'id': psid, 'path': pspath})
197
for viewer_login in offering_viewers_cache[offeringid]:
198
# Skip existing group members, or they can't write to it any more.
199
if viewer_login not in group_members_cache[gid]:
200
f.write("%s = r\n" % viewer_login)
203
122
os.rename(temp_name, conf_name)
204
123
chown_to_webserver(conf_name)
206
125
def make_svn_auth(store, login, config, throw_on_error=True):
207
"""Create a Subversion password for a user.
209
Generates a new random Subversion password, and assigns it to the user.
210
The password is added to Apache's Subversion authentication file.
126
"""Setup svn authentication for the given user.
127
Uses the given DB store object. Does not commit to the db.
212
129
# filename is, eg, /var/lib/ivle/svn/ivle.auth
213
130
filename = config['paths']['svn']['auth_ivle']
131
passwd = hashlib.md5(uuid.uuid4().bytes).hexdigest()
214
132
if os.path.exists(filename):
219
user = User.get_by_login(store, login)
221
if user.svn_pass is None:
222
passwd = hashlib.md5(uuid.uuid4().bytes).hexdigest()
223
user.svn_pass = unicode(passwd)
225
res = subprocess.call(['htpasswd', '-%smb' % create,
226
filename, login, user.svn_pass])
137
user = ivle.database.User.get_by_login(store, login)
138
user.svn_pass = unicode(passwd)
140
res = os.system("htpasswd -%smb %s %s %s" % (create, filename,
227
142
if res != 0 and throw_on_error:
228
143
raise Exception("Unable to create ivle-auth for %s" % login)
231
146
if create == "c":
232
147
chown_to_webserver(filename)
151
def generate_manifest(basedir, targetdir, parent=''):
152
""" From a basedir and a targetdir work out which files are missing or out
153
of date and need to be added/updated and which files are redundant and need
156
parent: This is used for the recursive call to track the relative paths
157
that we have decended.
160
cmp = filecmp.dircmp(basedir, targetdir)
162
# Add all new files and files that have changed
163
to_add = [os.path.join(parent,x) for x in (cmp.left_only + cmp.diff_files)]
165
# Remove files that are redundant
166
to_remove = [os.path.join(parent,x) for x in cmp.right_only]
169
for d in cmp.common_dirs:
170
newbasedir = os.path.join(basedir, d)
171
newtargetdir = os.path.join(targetdir, d)
172
newparent = os.path.join(parent, d)
173
(sadd,sremove) = generate_manifest(newbasedir, newtargetdir, newparent)
177
return (to_add, to_remove)
236
180
def make_jail(user, config, force=True):
237
"""Create or update a user's jail.
181
"""Creates a new user's jail space, in the jail directory as configured in
239
Only the user-specific parts of the jail are created here - everything
240
else is expected to be part of another aufs branch.
184
This only creates things within /home - everything else is expected to be
185
part of another UnionFS branch.
242
187
Returns the path to the user's home directory.
244
189
Chowns the user's directory within the jail to the given UID.
246
@param force: If False, raise an exception if the user already has a jail.
247
If True (default), rebuild the jail preserving /home.
191
force: If false, exception if jail already exists for this user.
192
If true (default), overwrites it, but preserves home directory.
249
194
# MUST run as root or some of this may fail
250
195
if os.getuid() != 0:
added
removed
ivle/makeuser.py
