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upgrade blueimp from 9.8 to 9.18

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This commit is contained in:
zotlabs
2017-06-26 17:32:38 -07:00
parent 4d81c498e2
commit a8374b25f1
54 changed files with 921 additions and 1125 deletions
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5
library/blueimp_upload/server/gae-python/app.yaml
View File

@@ -4,8 +4,9 @@ runtime: python27
api_version: 1
threadsafe: true
builtins:
- deferred: on
libraries:
- name: PIL
version: latest
handlers:
- url: /(favicon\.ico|robots\.txt)

208
library/blueimp_upload/server/gae-python/main.py
View File

@@ -1,49 +1,57 @@
# -*- coding: utf-8 -*-
#
# jQuery File Upload Plugin GAE Python Example 2.2.0
# jQuery File Upload Plugin GAE Python Example
# https://github.com/blueimp/jQuery-File-Upload
#
# Copyright 2011, Sebastian Tschan
# https://blueimp.net
#
# Licensed under the MIT license:
# http://www.opensource.org/licenses/MIT
# https://opensource.org/licenses/MIT
#
from __future__ import with_statement
from google.appengine.api import files, images
from google.appengine.ext import blobstore, deferred
from google.appengine.ext.webapp import blobstore_handlers
from google.appengine.api import memcache, images
import json
import os
import re
import urllib
import webapp2
DEBUG=os.environ.get('SERVER_SOFTWARE', '').startswith('Dev')
WEBSITE = 'https://blueimp.github.io/jQuery-File-Upload/'
MIN_FILE_SIZE = 1 # bytes
MAX_FILE_SIZE = 5000000 # bytes
# Max file size is memcache limit (1MB) minus key size minus overhead:
MAX_FILE_SIZE = 999000 # bytes
IMAGE_TYPES = re.compile('image/(gif|p?jpeg|(x-)?png)')
ACCEPT_FILE_TYPES = IMAGE_TYPES
THUMBNAIL_MODIFICATOR = '=s80' # max width / height
THUMB_MAX_WIDTH = 80
THUMB_MAX_HEIGHT = 80
THUMB_SUFFIX = '.'+str(THUMB_MAX_WIDTH)+'x'+str(THUMB_MAX_HEIGHT)+'.png'
EXPIRATION_TIME = 300 # seconds
# If set to None, only allow redirects to the referer protocol+host.
# Set to a regexp for custom pattern matching against the redirect value:
REDIRECT_ALLOW_TARGET = None
def cleanup(blob_keys):
blobstore.delete(blob_keys)
class UploadHandler(webapp2.RequestHandler):
class CORSHandler(webapp2.RequestHandler):
def cors(self):
headers = self.response.headers
headers['Access-Control-Allow-Origin'] = '*'
headers['Access-Control-Allow-Methods'] =\
'OPTIONS, HEAD, GET, POST, DELETE'
headers['Access-Control-Allow-Headers'] =\
'Content-Type, Content-Range, Content-Disposition'
def initialize(self, request, response):
super(UploadHandler, self).initialize(request, response)
self.response.headers['Access-Control-Allow-Origin'] = '*'
self.response.headers[
'Access-Control-Allow-Methods'
] = 'OPTIONS, HEAD, GET, POST, PUT, DELETE'
self.response.headers[
'Access-Control-Allow-Headers'
] = 'Content-Type, Content-Range, Content-Disposition'
super(CORSHandler, self).initialize(request, response)
self.cors()
def json_stringify(self, obj):
return json.dumps(obj, separators=(',', ':'))
def options(self, *args, **kwargs):
pass
class UploadHandler(CORSHandler):
def validate(self, file):
if file['size'] < MIN_FILE_SIZE:
file['error'] = 'File is too small'
@@ -55,6 +63,20 @@ class UploadHandler(webapp2.RequestHandler):
return True
return False
def validate_redirect(self, redirect):
if redirect:
if REDIRECT_ALLOW_TARGET:
return REDIRECT_ALLOW_TARGET.match(redirect)
referer = self.request.headers['referer']
if referer:
from urlparse import urlparse
parts = urlparse(referer)
redirect_allow_target = '^' + re.escape(
parts.scheme + '://' + parts.netloc + '/'
)
return re.match(redirect_allow_target, redirect)
return False
def get_file_size(self, file):
file.seek(0, 2) # Seek to the end of the file
size = file.tell() # Get the position of EOF
@@ -62,64 +84,58 @@ class UploadHandler(webapp2.RequestHandler):
return size
def write_blob(self, data, info):
blob = files.blobstore.create(
mime_type=info['type'],
_blobinfo_uploaded_filename=info['name']
)
with files.open(blob, 'a') as f:
f.write(data)
files.finalize(blob)
return files.blobstore.get_blob_key(blob)
key = urllib.quote(info['type'].encode('utf-8'), '') +\
'/' + str(hash(data)) +\
'/' + urllib.quote(info['name'].encode('utf-8'), '')
try:
memcache.set(key, data, time=EXPIRATION_TIME)
except: #Failed to add to memcache
return (None, None)
thumbnail_key = None
if IMAGE_TYPES.match(info['type']):
try:
img = images.Image(image_data=data)
img.resize(
width=THUMB_MAX_WIDTH,
height=THUMB_MAX_HEIGHT
)
thumbnail_data = img.execute_transforms()
thumbnail_key = key + THUMB_SUFFIX
memcache.set(
thumbnail_key,
thumbnail_data,
time=EXPIRATION_TIME
)
except: #Failed to resize Image or add to memcache
thumbnail_key = None
return (key, thumbnail_key)
def handle_upload(self):
results = []
blob_keys = []
for name, fieldStorage in self.request.POST.items():
if type(fieldStorage) is unicode:
continue
result = {}
result['name'] = re.sub(
r'^.*\\',
'',
fieldStorage.filename
)
result['name'] = urllib.unquote(fieldStorage.filename)
result['type'] = fieldStorage.type
result['size'] = self.get_file_size(fieldStorage.file)
if self.validate(result):
blob_key = str(
self.write_blob(fieldStorage.value, result)
key, thumbnail_key = self.write_blob(
fieldStorage.value,
result
)
blob_keys.append(blob_key)
result['deleteType'] = 'DELETE'
result['deleteUrl'] = self.request.host_url +\
'/?key=' + urllib.quote(blob_key, '')
if (IMAGE_TYPES.match(result['type'])):
try:
result['url'] = images.get_serving_url(
blob_key,
secure_url=self.request.host_url.startswith(
'https'
)
)
result['thumbnailUrl'] = result['url'] +\
THUMBNAIL_MODIFICATOR
except: # Could not get an image serving url
pass
if not 'url' in result:
result['url'] = self.request.host_url +\
'/' + blob_key + '/' + urllib.quote(
result['name'].encode('utf-8'), '')
if key is not None:
result['url'] = self.request.host_url + '/' + key
result['deleteUrl'] = result['url']
result['deleteType'] = 'DELETE'
if thumbnail_key is not None:
result['thumbnailUrl'] = self.request.host_url +\
'/' + thumbnail_key
else:
result['error'] = 'Failed to store uploaded file.'
results.append(result)
deferred.defer(
cleanup,
blob_keys,
_countdown=EXPIRATION_TIME
)
return results
def options(self):
pass
def head(self):
pass
@@ -130,9 +146,9 @@ class UploadHandler(webapp2.RequestHandler):
if (self.request.get('_method') == 'DELETE'):
return self.delete()
result = {'files': self.handle_upload()}
s = json.dumps(result, separators=(',', ':'))
s = self.json_stringify(result)
redirect = self.request.get('redirect')
if redirect:
if self.validate_redirect(redirect):
return self.redirect(str(
redirect.replace('%s', urllib.quote(s, ''), 1)
))
@@ -140,31 +156,49 @@ class UploadHandler(webapp2.RequestHandler):
self.response.headers['Content-Type'] = 'application/json'
self.response.write(s)
def delete(self):
key = self.request.get('key') or ''
blobstore.delete(key)
s = json.dumps({key: True}, separators=(',', ':'))
class FileHandler(CORSHandler):
def normalize(self, str):
return urllib.quote(urllib.unquote(str), '')
def get(self, content_type, data_hash, file_name):
content_type = self.normalize(content_type)
file_name = self.normalize(file_name)
key = content_type + '/' + data_hash + '/' + file_name
data = memcache.get(key)
if data is None:
return self.error(404)
# Prevent browsers from MIME-sniffing the content-type:
self.response.headers['X-Content-Type-Options'] = 'nosniff'
content_type = urllib.unquote(content_type)
if not IMAGE_TYPES.match(content_type):
# Force a download dialog for non-image types:
content_type = 'application/octet-stream'
elif file_name.endswith(THUMB_SUFFIX):
content_type = 'image/png'
self.response.headers['Content-Type'] = content_type
# Cache for the expiration time:
self.response.headers['Cache-Control'] = 'public,max-age=%d' \
% EXPIRATION_TIME
self.response.write(data)
def delete(self, content_type, data_hash, file_name):
content_type = self.normalize(content_type)
file_name = self.normalize(file_name)
key = content_type + '/' + data_hash + '/' + file_name
result = {key: memcache.delete(key)}
content_type = urllib.unquote(content_type)
if IMAGE_TYPES.match(content_type):
thumbnail_key = key + THUMB_SUFFIX
result[thumbnail_key] = memcache.delete(thumbnail_key)
if 'application/json' in self.request.headers.get('Accept'):
self.response.headers['Content-Type'] = 'application/json'
s = self.json_stringify(result)
self.response.write(s)
class DownloadHandler(blobstore_handlers.BlobstoreDownloadHandler):
def get(self, key, filename):
if not blobstore.get(key):
self.error(404)
else:
# Prevent browsers from MIME-sniffing the content-type:
self.response.headers['X-Content-Type-Options'] = 'nosniff'
# Cache for the expiration time:
self.response.headers['Cache-Control'] = 'public,max-age=%d' % EXPIRATION_TIME
# Send the file forcing a download dialog:
self.send_blob(key, save_as=filename, content_type='application/octet-stream')
app = webapp2.WSGIApplication(
[
('/', UploadHandler),
('/([^/]+)/([^/]+)', DownloadHandler)
('/(.+)/([^/]+)/([^/]+)', FileHandler)
],
debug=True
debug=DEBUG
)