def fsDeleteFileView(fsPathString=''):
""" Delete-file view.
Permission checks are performed by the deleteFile filesystem call.
"""
user = g.user
db = dbGetDatabase()
fileStorageDirectory = g.settings['system']['system_directories'][
'fs_directory']['value']
lsPath = splitPathString(fsPathString)
boxPath, fileName = lsPath[:-1], lsPath[-1]
parentBox = getBoxFromPath(db, boxPath, user)
request._onErrorUrl = url_for(
'lsView',
lsPathString='/'.join(boxPath[1:]),
)
file = getFileFromParent(db, parentBox, fileName, user)
fsDeleteQueue = deleteFile(
db,
parentBox,
file,
user,
fileStorageDirectory=fileStorageDirectory,
)
flushFsDeleteQueue(fsDeleteQueue)
return redirect(url_for(
'lsView',
lsPathString='/'.join(boxPath[1:]),
))
def deleteBoxView(boxPathString=''):
"""RMBOX route."""
user = g.user
db = dbGetDatabase()
fileStorageDirectory = g.settings['system']['system_directories'][
'fs_directory']['value']
boxPath = splitPathString(boxPathString)
box = getBoxFromPath(db, boxPath, user)
parentBox = getBoxFromPath(db, boxPath[:-1], user)
request._onErrorUrl = url_for(
'lsView',
lsPathString='/'.join(boxPath[1:-1]),
)
#
canDelete = canDeleteBox(db, box, parentBox, user)
#
if canDelete:
if parentBox is None:
# deletee box was root
raise OstracionError('Cannot act on this object')
else:
if box is not None:
fsDeleteQueue = deleteBox(
db,
box,
parentBox,
user,
fileStorageDirectory=fileStorageDirectory,
)
flushFsDeleteQueue(fsDeleteQueue)
else:
raise OstracionError('Box not accessible')
else:
raise OstracionError('Cannot delete this box')
return redirect(url_for(
'lsView',
lsPathString='/'.join(boxPath[1:-1]),
))
def calendarMakerGenerateCalendar():
"""
Calendar actual generation view.
Handles everything:
building temporary image files
driving the engine functions to make the pdf
inserting the pdf in the box
removing temporary files
"""
user = g.user
db = dbGetDatabase()
request._onErrorUrl = url_for('calendarMakerIndexView', )
#
destBoxString = request.cookies.get('apps_calendarmaker_destbox')
currentCalendar = cookiesToCurrentCalendar(request.cookies)
coverImagePathString = currentCalendar.get('cover_image_path_string')
calendarImagePaths = currentCalendar.get('image_path_strings', [])
cProps = currentCalendar.get('properties', {})
#
if destBoxString is None:
destBox = None
else:
destBoxPath = splitPathString(destBoxString)
destBox = getBoxFromPath(db, destBoxPath, user)
if coverImagePathString is None:
coverImageFileObject = None
else:
coverImageFileObject = pathToFileStructure(
db,
user,
coverImagePathString,
)
#
calendarImages = [
pathToFileStructure(db, user, imgPath)
for imgPath in calendarImagePaths
]
numRequiredImages = countMonths(
cProps.get('year0'),
cProps.get('month0'),
cProps.get('year1'),
cProps.get('month1'),
)
if (destBox is None or coverImageFileObject is None
or any([ci is None
for ci in calendarImages]) or numRequiredImages is None
or numRequiredImages > len(calendarImages)):
raise OstracionError('Cannot generate calendar')
else:
fileStorageDirectory = g.settings['system']['system_directories'][
'fs_directory']['value']
# proceed with generation
tempFileDirectory = g.settings['system']['system_directories'][
'temp_directory']['value']
mkDirP(tempFileDirectory)
texImageCoverPath = duplicateImageForCalendar(
fileIdToPath(
coverImageFileObject['file'].file_id,
fileStorageDirectory=fileStorageDirectory,
),
os.path.join(
tempFileDirectory, '%s.%s' % (
uuid4().hex,
admittedImageMimeTypeToExtension[
coverImageFileObject['file'].mime_type],
)),
)
texImagePaths = [
duplicateImageForCalendar(
fileIdToPath(
imageFile['file'].file_id,
fileStorageDirectory=fileStorageDirectory,
),
os.path.join(
tempFileDirectory, '%s.%s' % (
uuid4().hex,
admittedImageMimeTypeToExtension[
imageFile['file'].mime_type],
)),
) for imageFile in calendarImages
]
#
fsDeletionQueue = [texImageCoverPath] + texImagePaths
createdPdfTitle = uuid4().hex
createdFile, creationToDelete = makeCalendarPdf(
cProps,
texImagePaths,
texImageCoverPath,
tempFileDirectory,
createdPdfTitle,
)
#
if createdFile is not None:
# name and description
calDescription = 'Calendar %i/%i - %i/%i' % (
cProps['month0'],
cProps['year0'],
cProps['month1'],
cProps['year1'],
)
calFileName = findFirstAvailableObjectNameInBox(
db,
destBox,
'calendar_',
'.pdf',
)
# place the pdf in the box
placeFSFileInBox(
db,
user,
fileStorageDirectory,
destBox,
createdFile,
calFileName,
calDescription,
)
# flushing the delete queue
flushFsDeleteQueue(fsDeletionQueue + creationToDelete +
[createdFile])
# messaging the user
successMessage = ('Calendar generated. Please find the file '
'"%s" in the destination box.') % calFileName
flashMessage('Success', 'Info', successMessage)
# redirecting user to box
return redirect(url_for('lsView', lsPathString=destBoxString))
else:
# flushing the delete queue
flushFsDeleteQueue(
fsDeletionQueue + creationToDelete + [createdFile], )
# messaging the user
flashMessage('Error', 'Error', 'Could not generate the calendar')
return redirect(url_for('calendarMakerIndexView'))
def saveAndAnalyseFilesInBox(db,
files,
parentBox,
user,
thumbnailFormat,
fileStorageDirectory,
pastActionVerbForm='uploaded'):
""" Save files and enrich them with type/mimetype,
unless something fails - this handles overwrites
(file-on-file) and blockades (file has same name as box)
"""
#
# checking for name clashes with boxes
if any(
isBoxNameUnderParentBox(db, parentBox, fName)
for fName in (fObj['name'] for fObj in files)):
raise OstracionError('Files cannot have the name of existing boxes')
else:
if not userHasPermission(db, user, parentBox.permissions, 'w'):
raise OstracionError('User has no write permission on this box')
else:
userName = user.username
fsDeletionQueue = []
numReplacements = 0
#
for file in files:
newFile = File(**recursivelyMergeDictionaries(
{k: v
for k, v in file.items() if k != 'fileObject'},
defaultMap={
'creator_username': userName,
'icon_file_id_username': userName,
'metadata_username': userName,
'editor_username': userName,
'textual_mode': 'plain',
},
))
# are we overwriting a file?
if isFileNameUnderParentBox(db, parentBox, newFile.name):
# delete the old file entry
# AND mark the file and its thumbnail
# (if any) for later deletion
prevFile = getFileFromParent(
db,
parentBox,
newFile.name,
user,
)
fsDeletionQueue += deleteFile(
db,
parentBox,
prevFile,
user,
fileStorageDirectory=fileStorageDirectory,
skipCommit=True,
)
numReplacements += 1
#
filePath = fileIdToPath(
newFile.file_id,
fileStorageDirectory=fileStorageDirectory,
)
file['fileObject'].save(filePath)
#
fileProperties = determineFileProperties(filePath)
newFile.mime_type = fileProperties['file_mime_type']
newFile.type = fileProperties['file_type']
newFile.size = fileProperties['file_size']
#
if (thumbnailFormat is not None
and isImageMimeType(newFile.mime_type)):
# thumbnail preparation
fileThumbnailId, fileThumbnailMimeType = makeFileThumbnail(
newFile.file_id,
newFile.mime_type,
thumbnailFormat=thumbnailFormat,
fileStorageDirectory=fileStorageDirectory,
)
if fileThumbnailId is not None:
newFile.icon_file_id = fileThumbnailId
newFile.icon_mime_type = fileThumbnailMimeType
#
makeFileInParent(db, parentBox=parentBox, newFile=newFile)
flushFsDeleteQueue(fsDeletionQueue)
db.commit()
return '%i file%s %s successfully%s.' % (
len(files), '' if len(files) == 1 else 's', pastActionVerbForm,
'' if numReplacements == 0 else
(' (%i replaced)' % numReplacements))
def storeFileAsThumbnail(db, fileToSave, mode, thumbnailFormat, targetItem,
parentBox, user, tempFileDirectory,
fileStorageDirectory):
""" Handle setting/unsetting of thumbnail for various items
(box,file,user,setting,user-as-admin).
If a file to save is provided:
store the file on the temp dir
and if it is a valid thumbnail deal with its preparation
and setting on the item, including possibly deletion of
the previous thumbnail if necessary.
if None is passed:
simply delete any previous thumbnail if present
Return True iff the (un/)setting is successful
"""
# permission checks
if mode == 'b':
if not userHasPermission(db, user, targetItem.permissions, 'w'):
raise OstracionError('User has no icon permission on this item')
elif mode == 'f':
if not userHasPermission(db, user, parentBox.permissions, 'w'):
raise OstracionError('User has no icon permission on this item')
elif mode == 'l':
if not userHasPermission(db, user, parentBox.permissions, 'w'):
raise OstracionError('User has no icon permission on this item')
elif mode == 'u':
if user.username != targetItem.username:
raise OstracionError('Insufficient permissions')
elif mode == 'au':
if not userIsAdmin(db, user):
raise OstracionError('Insufficient permissions')
elif mode == 's':
if not userIsAdmin(db, user):
raise OstracionError('Insufficient permissions')
#
if fileToSave is not None:
tempFileName = temporaryFileName(tempFileDirectory=tempFileDirectory)
fileToSave.save(tempFileName)
fileProperties = determineFileProperties(tempFileName)
else:
tempFileName = None
#
failures = False
if tempFileName is None:
thumbnailId = None
thbMimeType = None
else:
if isImageMimeType(fileProperties['file_mime_type']):
# make thumbnail and get the new ID
thumbnailId, thbMimeType = makeTempFileIntoThumbnail(
tempFileName,
thumbnailFormat=thumbnailFormat,
fileStorageDirectory=fileStorageDirectory,
)
else:
failures = True
if not failures:
# un/set the icon ID
if mode == 'f':
fsDeleteQueue = updateFileThumbnail(
db,
targetItem,
thumbnailId,
thbMimeType,
user,
fileStorageDirectory=fileStorageDirectory)
elif mode == 'l':
fsDeleteQueue = updateLinkThumbnail(
db,
targetItem,
thumbnailId,
thbMimeType,
user,
fileStorageDirectory=fileStorageDirectory)
elif mode == 'b':
fsDeleteQueue = updateBoxThumbnail(
db,
targetItem,
thumbnailId,
thbMimeType,
user,
fileStorageDirectory=fileStorageDirectory)
elif mode in {'u', 'au'}:
fsDeleteQueue = updateUserThumbnail(
db,
targetItem,
thumbnailId,
thbMimeType,
user,
fileStorageDirectory=fileStorageDirectory)
elif mode == 's':
fsDeleteQueue = updateSettingThumbnail(
db,
targetItem,
thumbnailId,
thbMimeType,
user,
fileStorageDirectory=fileStorageDirectory)
else:
raise NotImplementedError('Unhandled storeFileAsThumbnail mode')
flushFsDeleteQueue(fsDeleteQueue)
#
return not failures