52
75
chown_to_webserver(path)
54
def rebuild_svn_config(store, config):
77
def rebuild_svn_config(store):
55
78
"""Build the complete SVN configuration file.
57
@param config: An ivle.config.Config object.
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()})
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():
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f.write("%s = %s\n" % (g, ",".join(ls)))
72
""" % {'login': u.login})
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")
75
os.rename(temp_name, conf_name)
76
chown_to_webserver(conf_name)
99
os.rename(ivle.conf.svn_conf + ".new", ivle.conf.svn_conf)
100
chown_to_webserver(ivle.conf.svn_conf)
78
def rebuild_svn_group_config(store, config):
102
def rebuild_svn_group_config(store):
79
103
"""Build the complete SVN configuration file for groups
81
@param config: An ivle.config.Config object.
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()})
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())
93
109
for group in store.find(ProjectGroup):
94
110
offering = group.project_set.offering
95
111
reponame = "_".join([offering.subject.short_name,
96
112
offering.semester.year,
97
113
offering.semester.semester,
100
f.write("[%s:/]\n" % reponame)
115
f.write("[%s:/]\n"%reponame)
101
116
for user in group.members:
102
117
f.write("%s = rw\n" % user.login)
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.
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.
115
# filename is, eg, /var/lib/ivle/svn/ivle.auth
116
filename = config['paths']['svn']['auth_ivle']
117
127
passwd = hashlib.md5(uuid.uuid4().bytes).hexdigest()
118
if os.path.exists(filename):
128
if os.path.exists(ivle.conf.svn_auth_ivle):
123
user = User.get_by_login(store, login)
133
user = ivle.database.User.get_by_login(store, login)
124
134
user.svn_pass = unicode(passwd)
126
res = subprocess.call(['htpasswd', '-%smb' % create,
127
filename, login, passwd])
136
res = os.system("htpasswd -%smb %s %s %s" % (create,
137
ivle.conf.svn_auth_ivle,
128
139
if res != 0 and throw_on_error:
129
140
raise Exception("Unable to create ivle-auth for %s" % login)
131
142
# Make sure the file is owned by the web server
132
143
if create == "c":
133
chown_to_webserver(filename)
144
chown_to_webserver(ivle.conf.svn_auth_ivle)
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.
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.
143
184
Returns the path to the user's home directory.
145
186
Chowns the user's directory within the jail to the given UID.
147
@param force: If False, raise an exception if the user already has a jail.
148
If True (default), rebuild the jail preserving /home.
188
force: If false, exception if jail already exists for this user.
189
If true (default), overwrites it, but preserves home directory.
150
191
# MUST run as root or some of this may fail
151
192
if os.getuid() != 0:
152
193
raise Exception("Must run make_jail as root")
154
195
# tempdir is for putting backup homes in
155
jail_src_base = config['paths']['jails']['src']
156
tempdir = os.path.join(jail_src_base, '__temp__')
196
tempdir = os.path.join(ivle.conf.jail_src_base, '__temp__')
157
197
if not os.path.exists(tempdir):
158
198
os.makedirs(tempdir)
159
199
elif not os.path.isdir(tempdir):
160
200
os.unlink(tempdir)
161
201
os.mkdir(tempdir)
162
userdir = os.path.join(jail_src_base, user.login)
202
userdir = os.path.join(ivle.conf.jail_src_base, user.login)
163
203
homedir = os.path.join(userdir, 'home')
164
204
userhomedir = os.path.join(homedir, user.login) # Return value
196
236
# Chmod to rwxr-xr-x (755)
197
237
os.chmod(userhomedir, 0755)
199
make_ivle_conf(user.login, userdir, user.svn_pass, config)
200
make_etc_passwd(user.login, userdir, config['paths']['jails']['template'],
239
make_ivle_conf(user.login, userdir, user.svn_pass)
240
make_etc_passwd(user.login, userdir, ivle.conf.jail_system, user.unixid)
203
242
return userhomedir
205
def make_ivle_conf(username, user_jail_dir, svn_pass, sys_config):
206
"""Generate an ivle.conf for a user's jail.
244
def make_ivle_conf(username, user_jail_dir, svn_pass):
208
246
Creates (overwriting any existing file, and creating directories) a
209
247
file /etc/ivle/ivle.conf in a given user's jail.
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).
249
user_jail_dir: User's jail dir, ie. ivle.conf.jail_base + username
250
svn_pass: User's SVN password.
216
252
conf_path = os.path.join(user_jail_dir, "etc/ivle/ivle.conf")
217
253
os.makedirs(os.path.dirname(conf_path))