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Code style and module guard

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Frederik Möllers 3 years ago
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1 changed files with 121 additions and 116 deletions
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  1. 237
      trying_to_fix_nextcloud.py

237
trying_to_fix_nextcloud.py
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@ -1,116 +1,121 @@
import requests
import xml.etree.ElementTree as ET
import sys
import time
import datetime
# Prepare and send the propfind request return xml string
def propfind(path,auth):
headers = {"Depth":"1"}
# This body returns only the timelastmodified and the fileid variable
data = "<d:propfind xmlns:d=\"DAV:\" xmlns:oc=\"http://owncloud.org/ns\" xmlns:nc=\"http://nextcloud.org/ns\">"+"<d:prop>"+"<d:getlastmodified />"+ "<oc:fileid />"+"</d:prop>"+"</d:propfind>"
req = r = requests.Request("PROPFIND", path, headers=headers, auth=auth, data=data)
prepped = req.prepare()
s = requests.Session()
resp = s.send(prepped)
return resp.text
# Function iterates through the given xml which contains all files and folders in the provided path
def search_folder(requestreturn):
# List to collect path of folders stored in path
innerfolders = []
# List to collect path of files with wrong timestamp
linkswrongtime = []
# First folder provided in the xml file is always the folder we are currently in.
# To prevent searching this folder twice, or ending in a loop, we can not store this folder in the folderlist again.
firstfolder = True
# Get a xml tree
tree = ET.ElementTree(ET.fromstring(requestreturn))
# Find all responses in the tree, those contain the fielpath, lasttimemodified, typeoffile etc.
for resp in tree.findall('.//{DAV:}response'):
# Here we can get the filpath out of href and get further information in prop (lastimemodified, typeoffile, etc.)
for p in resp:
# In case p.text is not none, it contains the filepath
if not(p.text is None):
if (p.text[-1] == '/'):
# If the current object is a folder, check it its not first folder
if not(firstfolder):
innerfolders.append(p.text)
else:
firstfolder = False
break
# In case p.text is none, it contains the further information
else:
for t in p.findall('.//{DAV:}getlastmodified'):
#this function converts the given date to unix timestamp
lastmodified = time.mktime(datetime.datetime.strptime(t.text, "%a, %d %b %Y %H:%M:%S GMT").timetuple())
#631148400 is the unix timestamp of 01.01.1990 00:00:00, because we know there is no file older than this in our nextcloud system
if lastmodified < 631148400:
for fileid in p.findall('.//{http://owncloud.org/ns}fileid'):
linkswrongtime.append(fileid.text)
return [innerfolders, linkswrongtime]
# This function returns the fileid of the version of a given fileid with the most current timestamp or None if there are no versions with a timestamp younger than 01.01.1990
def version_check(xmlfile):
tree = ET.ElementTree(ET.fromstring(xmlfile))
# Name of files are stored as a string. But we can check the timestamp of the file only after we can check the name,
# so it needs to be stored temporary in case the timestamp is the most current
temp = "this is a temporary string"
# These two variables are used to store the highest/most current timestamp and the associated fileid
most_current_timestamp = 631148400
most_current_timestamp_fileid = 0
for resp in tree.findall('.//{DAV:}response'):
for p in resp:
# In case p.text is not none, it contains the filepath
if not(p.text is None):
temp = p.text
else:
for t in p.findall('.//{DAV:}getlastmodified'):
if not(t.text is None):
#this function converts the given date to unix timestamp
lastmodified = time.mktime(datetime.datetime.strptime(t.text, "%a, %d %b %Y %H:%M:%S GMT").timetuple())
#
if lastmodified > most_current_timestamp:
most_current_timestamp = lastmodified
fileid_old_version = temp.split('/')
most_current_timestamp_fileid = fileid_old_version[-1]
else:
break
# Check if there is another version and a file with a current timestamp
if most_current_timestamp_fileid != 0:
return most_current_timestamp_fileid
else:
return None
def main():
# Enter username and password to enter nextcloud via webdav
user = sys.argv[1]
passw = sys.argv[2]
auth = requests.auth.HTTPBasicAuth(user,passw)
# Prepare the path we want to use
prefix_path = "https://kingsx.cs.uni-saarland.de"
mainpath = "/remote.php/dav/files/"+ user + "/Testrequests/"
# List of all folderpaths we need to enter
folders = [mainpath]
# List of all fileids with wrong time
wrongtime = []
# Iterate through all folders and check for wrong timestamps
while folders:
path_suffix = folders.pop(0)
path = prefix_path + str(path_suffix)
r = propfind(path,auth)
res = search_folder(r)
# Append all found folders and files with wrong timestamps to global list
folders = folders + res[0]
wrongtime = wrongtime + res[1]
# Iterate through all fileids with wrong timestamps and check for versions with intact timestamp
while wrongtime:
fileid = wrongtime.pop(0)
version_suffix = "/remote.php/dav/versions/" + user + "/versions/" + fileid
version_path = prefix_path + version_suffix
versions = propfind(version_path,auth)
print(version_check(versions))
main()
import datetime
import sys
import time
import xml.etree.ElementTree as ET
import requests
# Prepare and send the propfind request return xml string
def propfind(path, auth):
headers = {"Depth": "1"}
# This body returns only the timelastmodified and the fileid variable
data = "<d:propfind xmlns:d=\"DAV:\" xmlns:oc=\"http://owncloud.org/ns\" xmlns:nc=\"http://nextcloud.org/ns\">" + "<d:prop>" + "<d:getlastmodified />" + "<oc:fileid />" + "</d:prop>" + "</d:propfind>"
req = r = requests.Request("PROPFIND", path, headers=headers, auth=auth, data=data)
prepped = req.prepare()
s = requests.Session()
resp = s.send(prepped)
return resp.text
# Function iterates through the given xml which contains all files and folders in the provided path
def search_folder(requestreturn):
# List to collect path of folders stored in path
innerfolders = []
# List to collect path of files with wrong timestamp
linkswrongtime = []
# First folder provided in the xml file is always the folder we are currently in.
# To prevent searching this folder twice, or ending in a loop, we can not store this folder in the folderlist again.
firstfolder = True
# Get a xml tree
tree = ET.ElementTree(ET.fromstring(requestreturn))
# Find all responses in the tree, those contain the fielpath, lasttimemodified, typeoffile etc.
for resp in tree.findall('.//{DAV:}response'):
# Here we can get the filpath out of href and get further information in prop (lastimemodified, typeoffile, etc.)
for p in resp:
# In case p.text is not none, it contains the filepath
if not (p.text is None):
if (p.text[-1] == '/'):
# If the current object is a folder, check it its not first folder
if not (firstfolder):
innerfolders.append(p.text)
else:
firstfolder = False
break
# In case p.text is none, it contains the further information
else:
for t in p.findall('.//{DAV:}getlastmodified'):
# this function converts the given date to unix timestamp
lastmodified = time.mktime(
datetime.datetime.strptime(t.text, "%a, %d %b %Y %H:%M:%S GMT").timetuple())
# 631148400 is the unix timestamp of 01.01.1990 00:00:00, because we know there is no file older than this in our nextcloud system
if lastmodified < 631148400:
for fileid in p.findall('.//{http://owncloud.org/ns}fileid'):
linkswrongtime.append(fileid.text)
return [innerfolders, linkswrongtime]
# This function returns the fileid of the version of a given fileid with the most current timestamp or None if there are no versions with a timestamp younger than 01.01.1990
def version_check(xmlfile):
tree = ET.ElementTree(ET.fromstring(xmlfile))
# Name of files are stored as a string. But we can check the timestamp of the file only after we can check the name,
# so it needs to be stored temporary in case the timestamp is the most current
temp = "this is a temporary string"
# These two variables are used to store the highest/most current timestamp and the associated fileid
most_current_timestamp = 631148400
most_current_timestamp_fileid = 0
for resp in tree.findall('.//{DAV:}response'):
for p in resp:
# In case p.text is not none, it contains the filepath
if not (p.text is None):
temp = p.text
else:
for t in p.findall('.//{DAV:}getlastmodified'):
if not (t.text is None):
# this function converts the given date to unix timestamp
lastmodified = time.mktime(
datetime.datetime.strptime(t.text, "%a, %d %b %Y %H:%M:%S GMT").timetuple())
#
if lastmodified > most_current_timestamp:
most_current_timestamp = lastmodified
fileid_old_version = temp.split('/')
most_current_timestamp_fileid = fileid_old_version[-1]
else:
break
# Check if there is another version and a file with a current timestamp
if most_current_timestamp_fileid != 0:
return most_current_timestamp_fileid
else:
return None
if __name__ == "__main__":
# Enter username and password to enter nextcloud via webdav
user = sys.argv[1]
passw = sys.argv[2]
auth = requests.auth.HTTPBasicAuth(user, passw)
# Prepare the path we want to use
prefix_path = "https://kingsx.cs.uni-saarland.de"
mainpath = "/remote.php/dav/files/" + user + "/Testrequests/"
# List of all folderpaths we need to enter
folders = [mainpath]
# List of all fileids with wrong time
wrongtime = []
# Iterate through all folders and check for wrong timestamps
while folders:
path_suffix = folders.pop(0)
path = prefix_path + str(path_suffix)
r = propfind(path, auth)
res = search_folder(r)
# Append all found folders and files with wrong timestamps to global list
folders = folders + res[0]
wrongtime = wrongtime + res[1]
# Iterate through all fileids with wrong timestamps and check for versions with intact timestamp
while wrongtime:
fileid = wrongtime.pop(0)
version_suffix = "/remote.php/dav/versions/" + user + "/versions/" + fileid
version_path = prefix_path + version_suffix
versions = propfind(version_path, auth)
print(version_check(versions))
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