ahserver_g/ahserver/processorResource.py
yumoqing 01bbb82b5d ttt
2019-12-03 11:30:15 +08:00

215 lines
5.9 KiB
Python

import os
import re
from aiohttp.web_urldispatcher import StaticResource, _WebHandler, PathLike
from aiohttp.web_urldispatcher import Optional, _ExpectHandler
from aiohttp.web_urldispatcher import Path
from aiohttp.web_response import Response, StreamResponse
from aiohttp.web_exceptions import (
HTTPException,
HTTPExpectationFailed,
HTTPForbidden,
HTTPMethodNotAllowed,
HTTPNotFound,
)
from aiohttp.web_fileresponse import FileResponse
from aiohttp.web_request import Request
from aiohttp.web_response import Response, StreamResponse
from aiohttp.web_routedef import AbstractRouteDef
from appPublic.jsonConfig import getConfig
from appPublic.MiniI18N import getI18N
from appPublic.dictObject import DictObject, multiDict2Dict
from .baseProcessor import getProcessor
from .xlsxdsProcessor import XLSXDataSourceProcessor
from .sqldsProcessor import SQLDataSourceProcessor
from .functionProcessor import FunctionProcessor
from .serverenv import ServerEnv
from .url2file import Url2File
from .filestorage import FileStorage
from .restful import DBCrud
from .filedownload import file_download, path_decode
def getHeaderLang(request):
al = request.headers.get('Accept-Language')
if al is None:
return 'en'
return al.split(',')[0]
def i18nDICT(request):
c = getConfig()
i18n = getI18N()
lang = getHeaderLang(request)
l = c.langMapping.get(lang,lang)
return json.dumps(i18n.getLangDict(l)).encode(c.website.coding)
class ProcessorResource(StaticResource,Url2File):
def __init__(self, prefix: str, directory: PathLike,
*, name: Optional[str]=None,
expect_handler: Optional[_ExpectHandler]=None,
chunk_size: int=256 * 1024,
show_index: bool=False, follow_symlinks: bool=False,
append_version: bool=False,
indexes:list=[],
processors:dict={}) None:
StaticResource.__init__(self,prefix, directory,
name=name,
expect_handler=expect_handler,
chunk_size=chunk_size,
show_index=show_index,
follow_symlinks=follow_symlinks,
append_version=append_version)
Url2File.__init__(self,directory,prefix,indexes,inherit=True)
gr = self._routes.get('GET')
self._routes.update({'POST':gr})
self._routes.update({'PUT':gr})
self._routes.update({'OPTIONS':gr})
self._routes.update({'DELETE':gr})
self._routes.update({'TRACE':gr})
self.y_processors = []
self.y_prefix = prefix
self.y_directory = directory
self.y_indexes = []
self.y_env = DictObject()
def setProcessors(self, processors):
self.y_processors = processors
def setIndexes(self, indexes):
self.y_indexes = indexes
def abspath(self,path:str):
path = path[len(self.y_prefix):]
if len(path)>0 and path[0] == '/':
path = path[1:]
rp = os.path.join(self.y_directory , path)
real_path = os.path.abspath(rp)
return real_path
async def getPostData(self,request: Request) -> dict:
reader = await request.multipart()
if reader is None:
md = await request.post()
ns = multiDict2Dict(md)
return ns
ns = {}
while 1:
field = await reader.next()
if not field:
break
value = ''
if hasattr(field,'filename'):
saver = FileStorage()
value = await saver.save(field.filename,field.read_chunk)
else:
value = await field.read(decode=True)
ov = ns.get(field.name)
if ov:
if type(ov) == type([]):
ov.append(value)
else:
ov = [ov,value]
else:
ov = value
ns.update({field.name:ov})
return ns
async def _handle(self,request:Request) -> StreamResponse:
clientkeys = {
"iPhone":"iphone",
"iPad":"ipad",
"Android":"androidpad",
"Windows Phone":"winphone",
"Windows NT[.]*Win64; x64":"pc",
}
def i18nDICT():
c = getConfig()
g = ServerEnv()
if not g.get('myi18n',False):
g.myi18n = getI18N()
lang = getHeaderLang(request)
l = c.langMapping.get(lang,lang)
return json.dumps(g.myi18n.getLangDict(l))
def getClientType(request):
agent = request.headers.get('user-agent')
if type(agent)!=type('') and type(agent)!=type(b''):
return 'pc'
for k in clientkeys.keys():
m = re.findall(k,agent)
if len(m)>0:
return clientkeys[k]
return 'pc'
def serveri18n(s):
lang = getHeaderLang(request)
c = getConfig()
g = ServerEnv()
if not g.get('myi18n',False):
g.myi18n = getI18N()
l = c.langMapping.get(lang,lang)
return g.myi18n(s,l)
async def getArgs():
ns = DictObject()
if request.method == 'POST':
return await self.getPostData(request)
ns = multiDict2Dict(request.query)
return ns
self.y_env.i18n = serveri18n
self.y_env.i18nDict = i18nDICT
self.y_env.terminalType = getClientType(request)
self.y_env.absurl = self.absUrl
self.y_env.abspath = self.abspath
self.y_env.request2ns = getArgs
self.y_env.resource = self
path = request.path
config = getConfig()
if config.website.dbrest and path.startswith(config.website.dbrest):
pp = path.split('/')[2:]
if len(pp)<2:
raise HTTPNotFound
dbname = pp[0]
tablename = pp[1]
id = None
if len(pp) > 2:
id = pp[2]
crud = DBCrud(request,dbname,tablename,id=id)
return await crud.dispatch()
if config.website.download and path.startswith(config.website.download):
pp = path.split('/')[2:]
if len(pp)<1:
raise HTTPNotFound
dp = '/'.join(pp)
path = path_decode(dp)
return await file_download(request, path)
if config.website.startswiths:
for a in config.website.startswiths:
if path.startswith(a.leading):
processor = FunctionProcessor(self.abspath(path),self,a)
return await processor.handle(request)
for word, handlername in self.y_processors:
if path.endswith(word):
Klass = getProcessor(handlername)
processor = Klass(self.abspath(path),self)
return await processor.handle(request)
print(f'path={path} handler by StaticResource..')
return await super()._handle(request)
def absUrl(self,request,url):
http='http://'
https='https://'
if url[:7] == http:
return url
if url[:8] == https:
return url
path = request.path
return self.relatedurl(path,url)