75
52
chown_to_webserver(path)
77
def rebuild_svn_config(store):
54
def rebuild_svn_config(store, config):
78
55
"""Build the complete SVN configuration file.
57
@param config: An ivle.config.Config object.
80
users = store.find(ivle.database.User)
82
# TODO: Populate groups with per-offering tutors/lecturers/etc.
83
f = open(ivle.conf.svn_conf + ".new", "w")
84
f.write("# IVLE SVN Repositories Configuration\n")
85
f.write("# Auto-generated on %s\n" % time.asctime())
88
for (g,ls) in groups.iteritems():
89
f.write("%s = %s\n" % (g, ",".join(ls)))
59
users = store.find(User)
60
conf_name = config['paths']['svn']['conf']
61
temp_name = conf_name + ".new"
62
f = open(temp_name, "w")
64
# IVLE SVN repository authorisation configuration
66
""" % {'time': time.asctime()})
92
f.write("[%s:/]\n" % u.login)
93
f.write("%s = rw\n" % u.login)
94
#f.write("@tutor = r\n")
95
#f.write("@lecturer = rw\n")
96
#f.write("@admin = rw\n")
72
""" % {'login': u.login})
99
os.rename(ivle.conf.svn_conf + ".new", ivle.conf.svn_conf)
100
chown_to_webserver(ivle.conf.svn_conf)
75
os.rename(temp_name, conf_name)
76
chown_to_webserver(conf_name)
102
def rebuild_svn_group_config(store):
78
def rebuild_svn_group_config(store, config):
103
79
"""Build the complete SVN configuration file for groups
81
@param config: An ivle.config.Config object.
105
f = open(ivle.conf.svn_group_conf + ".new", "w")
106
f.write("# IVLE SVN Group Repositories Configuration\n")
107
f.write("# Auto-generated on %s\n" % time.asctime())
83
conf_name = config['paths']['svn']['group_conf']
84
temp_name = conf_name + ".new"
85
f = open(temp_name, "w")
88
# IVLE SVN group repository authorisation configuration
91
""" % {'time': time.asctime()})
109
93
for group in store.find(ProjectGroup):
110
94
offering = group.project_set.offering
111
95
reponame = "_".join([offering.subject.short_name,
112
96
offering.semester.year,
113
97
offering.semester.semester,
115
f.write("[%s:/]\n"%reponame)
100
f.write("[%s:/]\n" % reponame)
116
101
for user in group.members:
117
102
f.write("%s = rw\n" % user.login)
120
os.rename(ivle.conf.svn_group_conf + ".new", ivle.conf.svn_group_conf)
121
chown_to_webserver(ivle.conf.svn_group_conf)
123
def make_svn_auth(store, login, throw_on_error=True):
124
"""Setup svn authentication for the given user.
125
Uses the given DB store object. Does not commit to the db.
106
os.rename(temp_name, conf_name)
107
chown_to_webserver(conf_name)
109
def make_svn_auth(store, login, config, throw_on_error=True):
110
"""Create a Subversion password for a user.
112
Generates a new random Subversion password, and assigns it to the user.
113
The password is added to Apache's Subversion authentication file.
115
# filename is, eg, /var/lib/ivle/svn/ivle.auth
116
filename = config['paths']['svn']['auth_ivle']
127
117
passwd = hashlib.md5(uuid.uuid4().bytes).hexdigest()
128
if os.path.exists(ivle.conf.svn_auth_ivle):
118
if os.path.exists(filename):
133
user = ivle.database.User.get_by_login(store, login)
123
user = User.get_by_login(store, login)
134
124
user.svn_pass = unicode(passwd)
136
res = os.system("htpasswd -%smb %s %s %s" % (create,
137
ivle.conf.svn_auth_ivle,
126
res = subprocess.call(['htpasswd', '-%smb' % create,
127
filename, login, passwd])
139
128
if res != 0 and throw_on_error:
140
129
raise Exception("Unable to create ivle-auth for %s" % login)
142
131
# Make sure the file is owned by the web server
143
132
if create == "c":
144
chown_to_webserver(ivle.conf.svn_auth_ivle)
133
chown_to_webserver(filename)
148
def generate_manifest(basedir, targetdir, parent=''):
149
""" From a basedir and a targetdir work out which files are missing or out
150
of date and need to be added/updated and which files are redundant and need
153
parent: This is used for the recursive call to track the relative paths
154
that we have decended.
157
cmp = filecmp.dircmp(basedir, targetdir)
159
# Add all new files and files that have changed
160
to_add = [os.path.join(parent,x) for x in (cmp.left_only + cmp.diff_files)]
162
# Remove files that are redundant
163
to_remove = [os.path.join(parent,x) for x in cmp.right_only]
166
for d in cmp.common_dirs:
167
newbasedir = os.path.join(basedir, d)
168
newtargetdir = os.path.join(targetdir, d)
169
newparent = os.path.join(parent, d)
170
(sadd,sremove) = generate_manifest(newbasedir, newtargetdir, newparent)
174
return (to_add, to_remove)
177
def make_jail(user, force=True):
178
"""Creates a new user's jail space, in the jail directory as configured in
181
This only creates things within /home - everything else is expected to be
182
part of another UnionFS branch.
137
def make_jail(user, config, force=True):
138
"""Create or update a user's jail.
140
Only the user-specific parts of the jail are created here - everything
141
else is expected to be part of another aufs branch.
184
143
Returns the path to the user's home directory.
186
145
Chowns the user's directory within the jail to the given UID.
188
force: If false, exception if jail already exists for this user.
189
If true (default), overwrites it, but preserves home directory.
147
@param force: If False, raise an exception if the user already has a jail.
148
If True (default), rebuild the jail preserving /home.
191
150
# MUST run as root or some of this may fail
192
151
if os.getuid() != 0:
193
152
raise Exception("Must run make_jail as root")
195
154
# tempdir is for putting backup homes in
196
tempdir = os.path.join(ivle.conf.jail_src_base, '__temp__')
155
jail_src_base = config['paths']['jails']['src']
156
tempdir = os.path.join(jail_src_base, '__temp__')
197
157
if not os.path.exists(tempdir):
198
158
os.makedirs(tempdir)
199
159
elif not os.path.isdir(tempdir):
200
160
os.unlink(tempdir)
201
161
os.mkdir(tempdir)
202
userdir = os.path.join(ivle.conf.jail_src_base, user.login)
162
userdir = os.path.join(jail_src_base, user.login)
203
163
homedir = os.path.join(userdir, 'home')
204
164
userhomedir = os.path.join(homedir, user.login) # Return value
236
196
# Chmod to rwxr-xr-x (755)
237
197
os.chmod(userhomedir, 0755)
239
make_ivle_conf(user.login, userdir, user.svn_pass)
240
make_etc_passwd(user.login, userdir, ivle.conf.jail_system, user.unixid)
199
make_ivle_conf(user.login, userdir, user.svn_pass, config)
200
make_etc_passwd(user.login, userdir, config['paths']['jails']['template'],
242
203
return userhomedir
244
def make_ivle_conf(username, user_jail_dir, svn_pass):
205
def make_ivle_conf(username, user_jail_dir, svn_pass, sys_config):
206
"""Generate an ivle.conf for a user's jail.
246
208
Creates (overwriting any existing file, and creating directories) a
247
209
file /etc/ivle/ivle.conf in a given user's jail.
249
user_jail_dir: User's jail dir, ie. ivle.conf.jail_base + username
250
svn_pass: User's SVN password.
211
@param username: Username.
212
@param user_jail_dir: User's jail dir, ie. ['jails']['src'] + username
213
@param svn_pass: User's SVN password.
214
@param sys_config: An ivle.config.Config object (the system-wide config).
252
216
conf_path = os.path.join(user_jail_dir, "etc/ivle/ivle.conf")
253
217
os.makedirs(os.path.dirname(conf_path))