예제 #1
0
파일: globals.py 프로젝트: yekeqiang/web2py
def copystream_progress(request, chunk_size=10 ** 5):
    """
    copies request.env.wsgi_input into request.body
    and stores progress upload status in cache_ram
    X-Progress-ID:length and X-Progress-ID:uploaded
    """
    env = request.env
    if not env.get('CONTENT_LENGTH', None):
        return cStringIO.StringIO()
    source = env['wsgi.input']
    try:
        size = int(env['CONTENT_LENGTH'])
    except ValueError:
        raise HTTP(400, "Invalid Content-Length header")
    try: # Android requires this
        dest = tempfile.NamedTemporaryFile()
    except NotImplementedError: # and GAE this
        dest = tempfile.TemporaryFile()
    if not 'X-Progress-ID' in request.get_vars:
        copystream(source, dest, size, chunk_size)
        return dest
    cache_key = 'X-Progress-ID:' + request.get_vars['X-Progress-ID']
    cache_ram = CacheInRam(request)  # same as cache.ram because meta_storage
    cache_ram(cache_key + ':length', lambda: size, 0)
    cache_ram(cache_key + ':uploaded', lambda: 0, 0)
    while size > 0:
        if size < chunk_size:
            data = source.read(size)
            cache_ram.increment(cache_key + ':uploaded', size)
        else:
            data = source.read(chunk_size)
            cache_ram.increment(cache_key + ':uploaded', chunk_size)
        length = len(data)
        if length > size:
            (data, length) = (data[:size], size)
        size -= length
        if length == 0:
            break
        dest.write(data)
        if length < chunk_size:
            break
    dest.seek(0)
    cache_ram(cache_key + ':length', None)
    cache_ram(cache_key + ':uploaded', None)
    return dest
예제 #2
0
def copystream_progress(request, chunk_size=10**5):
    """
    copies request.env.wsgi_input into request.body
    and stores progress upload status in cache_ram
    X-Progress-ID:length and X-Progress-ID:uploaded
    """
    env = request.env
    if not env.get('CONTENT_LENGTH', None):
        return cStringIO.StringIO()
    source = env['wsgi.input']
    try:
        size = int(env['CONTENT_LENGTH'])
    except ValueError:
        raise HTTP(400, "Invalid Content-Length header")
    try:  # Android requires this
        dest = tempfile.NamedTemporaryFile()
    except NotImplementedError:  # and GAE this
        dest = tempfile.TemporaryFile()
    if not 'X-Progress-ID' in request.get_vars:
        copystream(source, dest, size, chunk_size)
        return dest
    cache_key = 'X-Progress-ID:' + request.get_vars['X-Progress-ID']
    cache_ram = CacheInRam(request)  # same as cache.ram because meta_storage
    cache_ram(cache_key + ':length', lambda: size, 0)
    cache_ram(cache_key + ':uploaded', lambda: 0, 0)
    while size > 0:
        if size < chunk_size:
            data = source.read(size)
            cache_ram.increment(cache_key + ':uploaded', size)
        else:
            data = source.read(chunk_size)
            cache_ram.increment(cache_key + ':uploaded', chunk_size)
        length = len(data)
        if length > size:
            (data, length) = (data[:size], size)
        size -= length
        if length == 0:
            break
        dest.write(data)
        if length < chunk_size:
            break
    dest.seek(0)
    cache_ram(cache_key + ':length', None)
    cache_ram(cache_key + ':uploaded', None)
    return dest
예제 #3
0
def copystream_progress(request, chunk_size=10 ** 5):
    """
    copies request.env.wsgi_input into request.body
    and stores progress upload status in cache_ram
    X-Progress-ID:length and X-Progress-ID:uploaded
    """
    env = request.env
    if not env.content_length:
        return cStringIO.StringIO()
    source = env.wsgi_input
    try:
        size = int(env.content_length)
    except ValueError:
        raise HTTP(400, "Invalid Content-Length header")
    dest = tempfile.TemporaryFile()
    if not "X-Progress-ID" in request.vars:
        copystream(source, dest, size, chunk_size)
        return dest
    cache_key = "X-Progress-ID:" + request.vars["X-Progress-ID"]
    cache_ram = CacheInRam(request)  # same as cache.ram because meta_storage
    cache_ram(cache_key + ":length", lambda: size, 0)
    cache_ram(cache_key + ":uploaded", lambda: 0, 0)
    while size > 0:
        if size < chunk_size:
            data = source.read(size)
            cache_ram.increment(cache_key + ":uploaded", size)
        else:
            data = source.read(chunk_size)
            cache_ram.increment(cache_key + ":uploaded", chunk_size)
        length = len(data)
        if length > size:
            (data, length) = (data[:size], size)
        size -= length
        if length == 0:
            break
        dest.write(data)
        if length < chunk_size:
            break
    dest.seek(0)
    cache_ram(cache_key + ":length", None)
    cache_ram(cache_key + ":uploaded", None)
    return dest
예제 #4
0
파일: main.py 프로젝트: dbarnett/web2py
def copystream_progress(request, chunk_size=10**5):
    """
    copies request.env.wsgi_input into request.body
    and stores progress upload status in cache.ram
    X-Progress-ID:length and X-Progress-ID:uploaded
    """
    env = request.env
    if not env.content_length:
        return cStringIO.StringIO()
    source = env.wsgi_input
    try:
        size = int(env.content_length)
    except ValueError:
        raise HTTP(400, "Invalid Content-Length header")
    dest = tempfile.TemporaryFile()
    if not 'X-Progress-ID' in request.vars:
        copystream(source, dest, size, chunk_size)
        return dest
    cache_key = 'X-Progress-ID:' + request.vars['X-Progress-ID']
    cache = Cache(request)
    cache.ram(cache_key + ':length', lambda: size, 0)
    cache.ram(cache_key + ':uploaded', lambda: 0, 0)
    while size > 0:
        if size < chunk_size:
            data = source.read(size)
            cache.ram.increment(cache_key + ':uploaded', size)
        else:
            data = source.read(chunk_size)
            cache.ram.increment(cache_key + ':uploaded', chunk_size)
        length = len(data)
        if length > size:
            (data, length) = (data[:size], size)
        size -= length
        if length == 0:
            break
        dest.write(data)
        if length < chunk_size:
            break
    dest.seek(0)
    cache.ram(cache_key + ':length', None)
    cache.ram(cache_key + ':uploaded', None)
    return dest
예제 #5
0
def copystream_progress(request, chunk_size= 10**5):
    """
    copies request.env.wsgi_input into request.body
    and stores progress upload status in cache.ram
    X-Progress-ID:length and X-Progress-ID:uploaded
    """
    env = request.env
    if not env.content_length:
        return cStringIO.StringIO()
    source = env.wsgi_input
    size = int(env.content_length)
    dest = tempfile.TemporaryFile()
    if not 'X-Progress-ID' in request.vars:
        copystream(source, dest, size, chunk_size)
        return dest
    cache_key = 'X-Progress-ID:'+request.vars['X-Progress-ID']
    cache = Cache(request)
    cache.ram(cache_key+':length', lambda: size, 0)
    cache.ram(cache_key+':uploaded', lambda: 0, 0)
    while size > 0:
        if size < chunk_size:
            data = source.read(size)
            cache.ram.increment(cache_key+':uploaded', size)
        else:
            data = source.read(chunk_size)
            cache.ram.increment(cache_key+':uploaded', chunk_size)
        length = len(data)
        if length > size:
            (data, length) = (data[:size], size)
        size -= length
        if length == 0:
            break
        dest.write(data)
        if length < chunk_size:
            break
    dest.seek(0)
    cache.ram(cache_key+':length', None)
    cache.ram(cache_key+':uploaded', None)
    return dest
예제 #6
0
def wsgibase(environ, responder):
    """
    this is the gluon wsgi application. the furst function called when a page
    is requested (static or dynamical). it can be called by paste.httpserver
    or by apache mod_wsgi.
    """

    request = Request()
    response = Response()
    session = Session()
    try:
        try:
            session_file = None
            session_new = False

            # ##################################################
            # parse the environment variables - DONE
            # ##################################################

            for (key, value) in environ.items():
                request.env[key.lower().replace('.', '_')] = value
            request.env.web2py_path = web2py_path
            request.env.web2py_version = web2py_version

            # ##################################################
            # valudate the path in url
            # ##################################################

            if not request.env.path_info and request.env.request_uri:

                # for fcgi, decode path_info and query_string

                items = request.env.request_uri.split('?')
                request.env.path_info = items[0]
                if len(items) > 1:
                    request.env.query_string = items[1]
                else:
                    request.env.query_string = ''
            path = request.env.path_info[1:].replace('\\', '/')
            path = regex_space.sub('_', path)
            if not regex_url.match(path):
                raise HTTP(400, error_message, web2py_error='invalid path')
            items = path.split('/')

            # ##################################################
            # serve if a static file
            # ##################################################

            if len(items) > 1 and items[1] == 'static':
                if len(items) < 3 or not items[2]:
                    raise HTTP(400, error_message)
                static_file = os.path.join(request.env.web2py_path,
                                           'applications', items[0], 'static',
                                           '/'.join(items[2:]))
                response.stream(static_file, request=request)

            # ##################################################
            # parse application, controller and function
            # ##################################################

            if len(items) and items[-1] == '':
                del items[-1]
            if len(items) == 0:
                items = ['init']
            if len(items) == 1:
                items.append('default')
            if len(items) == 2:
                items.append('index')
            if len(items) > 3:
                (items, request.args) = (items[:3], items[3:])
            if request.args == None:
                request.args = []
            request.application = items[0]
            request.controller = items[1]
            request.function = items[2]
            request.client = get_client(request.env)
            request.folder = os.path.join(request.env.web2py_path,
                                          'applications',
                                          request.application) + '/'

            # ##################################################
            # access the requested application
            # ##################################################

            if not os.path.exists(request.folder):
                if items == ['init', 'default', 'index']:
                    items[0] = 'welcome'
                    redirect(html.URL(*items))
                raise HTTP(400,
                           error_message,
                           web2py_error='invalid application')

            # ##################################################
            # get the GET and POST data -DONE
            # ##################################################

            request.body = tempfile.TemporaryFile()
            if request.env.content_length:
                copystream(request.env.wsgi_input, request.body,
                           int(request.env.content_length))

            # ## parse GET vars, even if POST

            dget = cgi.parse_qsl(request.env.query_string, keep_blank_values=1)
            for (key, value) in dget:
                if request.vars.has_key(key):
                    if isinstance(request.vars[key], list):
                        request.vars[key].append(value)
                    else:
                        request.vars[key] = [request.vars[key], value]
                else:
                    request.vars[key] = value
                request.get_vars[key] = request.vars[key]

            # ## parse POST vars if any

            if request.env.request_method in ['POST', 'BOTH']:
                dpost = cgi.FieldStorage(fp=request.body,
                                         environ=environ,
                                         keep_blank_values=1)
                request.body.seek(0)
                try:
                    keys = dpost.keys()
                except TypeError:
                    keys = []
                for key in keys:
                    dpk = dpost[key]
                    if isinstance(dpk, list):
                        value = [x.value for x in dpk]
                    elif not dpk.filename:
                        value = dpk.value
                    else:
                        value = dpk
                    request.post_vars[key] = request.vars[key] = value

            # ##################################################
            # load cookies
            # ##################################################

            request.cookies = Cookie.SimpleCookie()
            response.cookies = Cookie.SimpleCookie()
            if request.env.http_cookie:
                request.cookies.load(request.env.http_cookie)

            # ##################################################
            # try load session or create new session file
            # ##################################################

            session.connect(request, response)

            # ##################################################
            # set no-cache headers
            # ##################################################

            response.headers['Cache-Control'] = \
                'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
            response.headers['Expires'] = \
                time.strftime('%a, %d %b %Y %H:%M:%S GMT',
                              time.gmtime())
            response.headers['Pragma'] = 'no-cache'

            # ##################################################
            # run controller
            # ##################################################

            if not items[1] == 'static':
                serve_controller(request, response, session)
        except HTTP, http_response:

            # ##################################################
            # on sucess, try store session in database
            # ##################################################

            session._try_store_in_db(request, response)

            # ##################################################
            # on sucess, committ database
            # ##################################################

            if response._custom_commit:
                response._custom_commit()
            else:
                SQLDB.close_all_instances(SQLDB.commit)

            # ##################################################
            # if session not in db try store session on filesystem
            # ##################################################

            session._try_store_on_disk(request, response)

            # ##################################################
            # store cookies in headers
            # ##################################################

            if session._secure:
                response.cookies[response.session_id_name]['secure'] = \
                    True
            http_response.headers['Set-Cookie'] = [
                str(cookie)[11:] for cookie in response.cookies.values()
            ]

            # ##################################################
            # whatever happens return the intended HTTP response
            # ##################################################

            session._unlock(response)
            return http_response.to(responder)
        except RestrictedError, e:

            # ##################################################
            # on application error, rollback database
            # ##################################################

            if response._custom_rollback:
                response._custom_rollback()
            else:
                SQLDB.close_all_instances(SQLDB.rollback)
            try:
                ticket = e.log(request)
            except:
                ticket = 'unknown'
                logging.error(e.traceback)
            session._unlock(response)
            http_error_status = check_error_route(500, items[0])
            return HTTP(http_error_status,
                        error_message_ticket % dict(ticket=ticket),
                        web2py_error='ticket %s' % ticket).to(responder)
예제 #7
0
파일: main.py 프로젝트: dspiteself/web2py
def wsgibase(environ, responder):
    """
    this is the gluon wsgi application. the furst function called when a page
    is requested (static or dynamical). it can be called by paste.httpserver
    or by apache mod_wsgi.
    """

    request = Request()
    response = Response()
    session = Session()
    try:
        try:
            session_file = None
            session_new = False

            # ##################################################
            # parse the environment variables - DONE
            # ##################################################

            for (key, value) in environ.items():
                request.env[key.lower().replace('.', '_')] = value
            request.env.web2py_path = web2py_path
            request.env.web2py_version = web2py_version

            # ##################################################
            # valudate the path in url
            # ##################################################

            if not request.env.path_info and request.env.request_uri:

                # for fcgi, decode path_info and query_string

                items = request.env.request_uri.split('?')
                request.env.path_info = items[0]
                if len(items) > 1:
                    request.env.query_string = items[1]
                else:
                    request.env.query_string = ''
            path = request.env.path_info[1:].replace('\\', '/')
            path = regex_space.sub('_', path)
            if not regex_url.match(path):
                raise HTTP(400, error_message,
                           web2py_error='invalid path')
            items = path.split('/')

            # ##################################################
            # serve if a static file
            # ##################################################

            if len(items) > 1 and items[1] == 'static':
                if len(items) < 3 or not items[2]:
                    raise HTTP(400, error_message)
                static_file = os.path.join(request.env.web2py_path,
                        'applications', items[0], 'static',
                        '/'.join(items[2:]))
                response.stream(static_file, request=request)

            # ##################################################
            # parse application, controller and function
            # ##################################################

            if len(items) and items[-1] == '':
                del items[-1]
            if len(items) == 0:
                items = ['init']
            if len(items) == 1:
                items.append('default')
            if len(items) == 2:
                items.append('index')
            if len(items) > 3:
                (items, request.args) = (items[:3], items[3:])
            if request.args == None:
                request.args = []
            request.application = items[0]
            request.controller = items[1]
            request.function = items[2]
            request.client = get_client(request.env)
            request.folder = os.path.join(request.env.web2py_path,
                    'applications', request.application) + '/'

            # ##################################################
            # access the requested application
            # ##################################################

            if not os.path.exists(request.folder):
                if items == ['init', 'default', 'index']:
                    items[0] = 'welcome'
                    redirect(html.URL(*items))
                raise HTTP(400, error_message,
                           web2py_error='invalid application')

            # ##################################################
            # get the GET and POST data -DONE
            # ##################################################

            request.body = tempfile.TemporaryFile()
            if request.env.content_length:
                copystream(request.env.wsgi_input, request.body,
                           int(request.env.content_length))

            # ## parse GET vars, even if POST

            dget = cgi.parse_qsl(request.env.query_string,
                                 keep_blank_values=1)
            for (key, value) in dget:
                if request.vars.has_key(key):
                    if isinstance(request.vars[key], list):
                        request.vars[key].append(value)
                    else:
                        request.vars[key] = [request.vars[key], value]
                else:
                    request.vars[key] = value
                request.get_vars[key] = request.vars[key]

            # ## parse POST vars if any

            if request.env.request_method in ['POST', 'BOTH']:
                dpost = cgi.FieldStorage(fp=request.body,
                        environ=environ, keep_blank_values=1)
                request.body.seek(0)
                try:
                    keys = dpost.keys()
                except TypeError:
                    keys = []
                for key in keys:
                    dpk = dpost[key]
                    if isinstance(dpk, list):
                        value = [x.value for x in dpk]
                    elif not dpk.filename:
                        value = dpk.value
                    else:
                        value = dpk
                    request.post_vars[key] = request.vars[key] = value

            # ##################################################
            # load cookies
            # ##################################################

            request.cookies = Cookie.SimpleCookie()
            response.cookies = Cookie.SimpleCookie()
            if request.env.http_cookie:
                request.cookies.load(request.env.http_cookie)

            # ##################################################
            # try load session or create new session file
            # ##################################################

            session.connect(request, response)

            # ##################################################
            # set no-cache headers
            # ##################################################

            response.headers['Cache-Control'] = \
                'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
            response.headers['Expires'] = \
                time.strftime('%a, %d %b %Y %H:%M:%S GMT',
                              time.gmtime())
            response.headers['Pragma'] = 'no-cache'

            # ##################################################
            # run controller
            # ##################################################

            if not items[1] == 'static':
                serve_controller(request, response, session)
        except HTTP, http_response:

            # ##################################################
            # on sucess, try store session in database
            # ##################################################

            session._try_store_in_db(request, response)

            # ##################################################
            # on sucess, committ database
            # ##################################################

            if response._custom_commit:
                response._custom_commit()
            else:
                SQLDB.close_all_instances(SQLDB.commit)

            # ##################################################
            # if session not in db try store session on filesystem
            # ##################################################

            session._try_store_on_disk(request, response)

            # ##################################################
            # store cookies in headers
            # ##################################################

            if session._secure:
                response.cookies[response.session_id_name]['secure'] = \
                    True
            http_response.headers['Set-Cookie'] = [str(cookie)[11:]
                    for cookie in response.cookies.values()]

            # ##################################################
            # whatever happens return the intended HTTP response
            # ##################################################

            session._unlock(response)
            return http_response.to(responder)
        except RestrictedError, e:

            # ##################################################
            # on application error, rollback database
            # ##################################################

            if response._custom_rollback:
                response._custom_rollback()
            else:
                SQLDB.close_all_instances(SQLDB.rollback)
            try:
                ticket = e.log(request)
            except:
                ticket = 'unknown'
                logging.error(e.traceback)
            session._unlock(response)
            http_error_status = check_error_route(500, items[0])
            return HTTP(http_error_status, error_message_ticket
                         % dict(ticket=ticket), web2py_error='ticket %s'
                         % ticket).to(responder)