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# this is a library to keep a shared repository with many forms of backups
# atm, git and ikiwiki are required, but it should be reasonable to make other approaches
# git saves history
# ikiwiki connects git to online presentation and collaboration
import os
import shlex
import shutil
import subprocess
import sys
import tempfile
import time
import urllib
__all__ = ["freenet", "bsv_metanet"]
backend_path = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))
root_path = os.path.normpath(os.path.join(backend_path, '..'))
auth_path = os.path.join(backend_path, 'auth')
dep_path = os.path.join(backend_path, 'dep')
ikiwiki_setup_path = os.path.join(backend_path, 'ikiwiki.setup')
html_path = os.path.normpath(os.path.join(root_path, 'html'))
wiki_src_path = os.path.normpath(os.path.join(root_path, 'wiki'))
git_path = os.path.normpath(os.path.join(root_path, '.git'))
ssh_wrap_path = os.path.join(backend_path, "wrapped_ssh.sh")
for auth_subpath, auth_subpaths, auth_subfiles in os.walk(auth_path):
for auth_subfile in auth_subfiles:
auth_subfile = os.path.join(auth_subpath, auth_subfile)
if os.path.isfile(auth_subfile):
os.chmod(auth_subfile, 0o600)
def url200(url):
try:
return urllib.urlopen(url).getcode() == 200
except IOError:
return False
class git:
found = (os.system("git status --porcelain") == 0)
if not found:
print("ERROR: git not found")
# TODO: download git, place in dep_path, and run from there
exit(1)
orig_dir = os.path.abspath(".")
os.chdir(root_path)
os.system("git submodule init")
os.system("git submodule update")
os.chdir(orig_dir)
# http://stackoverflow.com/questions/1964470/whats-the-equivalent-of-use-commit-times-for-git
# sets mtimes to last commit time, for ikiwiki 'last edited by' time
filelist = set()
for root, subdirs, files in os.walk(wiki_src_path):
for file in files:
filelist.add(os.path.relpath(os.path.join(root, file), root_path))
mtime = 0
gitobj = subprocess.Popen(shlex.split('git whatchanged --pretty=%at'), stdout=subprocess.PIPE)
for line in gitobj.stdout:
line = line.strip()
if not line: continue
if line.startswith(':'):
file = line.split('\t')[-1]
if file in filelist:
filelist.remove(file)
#print mtime, file
os.utime(os.path.join(root_path,file), (mtime, mtime))
else:
mtime = long(line)
if not filelist:
break
def __init__(self, remote, push_remote = ""):
self.remote = remote
if push_remote == "":
push_remote = remote
self.push_remote = push_remote
def pull(self):
if self.remote == None:
return False
os.environ["GIT_SSH"] = ssh_wrap_path
status = os.system("git pull %s master" % self.remote)
del os.environ["GIT_SSH"]
return status == 0
def push(self):
if self.push_remote == None:
return False
os.environ["GIT_SSH"] = ssh_wrap_path
status = os.system("git push %s master" % self.push_remote)
del os.environ["GIT_SSH"]
return status == 0
class ikiwiki:
binary = "ikiwiki"
found = (os.system("%s --version" % binary) == 0)
if not found:
binary = "%s/ikiwiki/ikiwiki.out" % dep_path
os.environ['PERL5LIB'] = os.path.join(dep_path, 'ikiwiki')
found = (os.system("%s --version" % binary) == 0)
if not found:
print("ikiwiki not found: attempting to build")
os.system("%s/build_ikiwiki.sh" % dep_path)
found = (os.system("%s --version" % binary) == 0)
if not found:
print("WARNING: ikiwiki not found. did build fail on this platform?")
synced = False
def push(self):
if not ikiwiki.found:
return False
if ikiwiki.synced:
return True
shutil.rmtree(html_path)
os.system("git checkout -- '%s'" % html_path)
status = os.system("%s --setup '%s' '%s' '%s'" % (ikiwiki.binary, ikiwiki_setup_path, wiki_src_path, html_path))
ikiwiki.synced = (status == 0)
if ikiwiki.synced:
os.system('git repack -d')
os.system('git prune-packed')
os.system('git update-server-info')
# /.git folder access can be seen as security access problem by web hosts, so alias to /git
with open(os.path.join(html_path, ".git"), "w") as f: f.write("gitdir: ./git")
html_git_path = os.path.join(html_path, 'git')
os.mkdir(html_git_path)
for path in ['objects/info', 'objects/pack', 'refs', 'HEAD', 'info', 'packed-refs']:
git_subpath = os.path.join(git_path, path)
html_git_subpath = os.path.join(html_git_path, path)
if os.path.isdir(git_subpath):
shutil.copytree(git_subpath, html_git_subpath)
else:
shutil.copy2(git_subpath, html_git_subpath)
return ikiwiki.synced
class zeronet:
found = 'ZERONETDIR' in os.environ
if found:
zn_datadir = os.path.join(os.environ['ZERONETDIR'], 'ZeroNet/data')
zn_script = os.path.join(os.environ['ZERONETDIR'], 'ZeroNet.sh')
found = (os.system("'%s' --version" % zn_script) == 0)
if not found:
print("WARNING: ZeroNet bundle not found in ZERONETDIR, public zeronet site won't be updated")
running = url200('http://127.0.0.1:43110/1HeLLo4uzjaLetFx6NH3PMwFP3qbRbTf3D')
if found and not running:
proc = subprocess.Popen([zn_script], env={"DISPLAY":""})
while not running and proc.returncode == None:
time.sleep(0.5)
running = url200('http://127.0.0.1:43110/1HeLLo4uzjaLetFx6NH3PMwFP3qbRbTf3D')
if not running:
print("WARNING: ZeroNet not running, won't be used")
def __init__(self, addr, key):
self.addr = addr
self.key = key
def push(self):
if not ikiwiki.synced or not zeronet.found:
return False
zitedir = os.path.join(zeronet.zn_datadir, self.addr)
shutil.rmtree(zitedir, True)
shutil.copytree(html_path, zitedir)
status = os.system('%s siteSign %s %s' % (zeronet.zn_script, self.addr, self.key))
return status == 0
class ipfs:
found = (os.system('ipfs version') == 0)
if not found:
print("WARNING: ipfs not found, ipfs content won't be updated")
synced = False
def __init__(self, configdir):
self.configdir = os.path.join(auth_path, configdir)
subprocess.Popen(['ipfs', '-c', self.configdir, 'daemon'])
while self._config('Identity.PeerID') == None:
time.sleep(0.5)
self.peerid = self._config('Identity.PeerID')
self.gateway = self._config('Addresses.Gateway').replace('/ip4','http:/').replace('/tcp/',':')
def _config(self, key):
proc = subprocess.Popen(['ipfs', '-c', self.configdir, 'config', key], stdout=subprocess.PIPE)
for line in proc.stdout:
return line[0:-1]
def push(self):
if not ikiwiki.synced or not ipfs.found:
return False
# add files to ipfs
if not ipfs.synced:
proc = subprocess.Popen(['ipfs', '-c', self.configdir, 'add', '-rH', html_path], stdout=subprocess.PIPE)
for line in proc.stdout:
print line[0:-1]
ipfs.hash = line[6:52]
ipfs.synced = True
# publish hash to private key
proc = subprocess.Popen(['ipfs', '-c', self.configdir, 'name', 'publish', ipfs.hash], stdout=subprocess.PIPE)
for line in proc.stdout:
print line[0:-1]
self.peerid = line[13:59]
status = proc.wait()
return status == 0
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