from Products.PageTemplates.PageTemplateFile import PageTemplateFile from Products.PageTemplates.PageTemplate import PageTemplate from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate from OFS.Image import Image from webdav.common import rfc1123_date import xml.dom.minidom from OFS.Folder import Folder from xml_helpers import getText import os import re import string import urllib from Globals import package_home def getString(self,key,default=''): try: return self.REQUEST[key] except: return default def sendFile(self, filename, type): """sends an object or a local file (in the product) as response""" paths = filename.split('/') object = self # look for an object called filename for path in paths: if hasattr(object, path): object = getattr(object, path) else: object = None break if object: # if the object exists then send it return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE) else: # send a local file with the given content-type fn = os.path.join(package_home(globals()), filename) self.REQUEST.RESPONSE.setHeader("Content-Type", type) self.REQUEST.RESPONSE.write(file(fn).read()) return class BrowserCheck: """check the browsers request to find out the browser type""" def __init__(self, zope): self.ua = zope.REQUEST.get_header("HTTP_USER_AGENT") self.isIE = string.find(self.ua, 'MSIE') > -1 self.isN4 = (string.find(self.ua, 'Mozilla/4.') > -1) and not self.isIE self.nav = self.ua[string.find(self.ua, '('):] ie = string.split(self.nav, "; ")[1] if string.find(ie, "MSIE") > -1: self.versIE = string.split(ie, " ")[1] self.isMac = string.find(self.ua, 'Macintosh') > -1 self.isWin = string.find(self.ua, 'Windows') > -1 self.isIEWin = self.isIE and self.isWin self.isIEMac = self.isIE and self.isMac def manage_addZogiLibMainTemplateForm(self): """Form for adding""" #FIXME:??? pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/AddOSAS_thumbTemplate.zpt')).__of__(self) return pt() def manage_addZogiLibMainTemplate(self, id,title=None, text=None, REQUEST=None, submit=None): "Add a Page Template with optional file content." #FIXME:??? id = str(id) if REQUEST is None: self._setObject(id, zogiLib_mainTemplate(id, text)) ob = getattr(self, id) if title: ob.pt_setTitle(title) return ob else: file = REQUEST.form.get('file') headers = getattr(file, 'headers', None) if headers is None or not file.filename: zpt = zogiLib_mainTemplate(id) else: zpt = zogiLib_mainTemplate(id, file, headers.get('content_type')) self._setObject(id, zpt) ob = getattr(self, id) try: u = self.DestinationURL() except AttributeError: u = REQUEST['URL1'] if submit == " Add and Edit ": u = "%s/%s" % (u, quote(id)) REQUEST.RESPONSE.redirect(u+'/manage_main') return '' class zogiImage(Image): """einzelnes Image""" meta_type="zogiImage" manage_options=ZopePageTemplate.manage_options+( {'label':'Main config','action':'changeZogiImageForm'}, ) def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''): """init""" self.id=id self.title=title self.baseUrl=baseUrl self.queryString=queryString self.content_type=content_type self.precondition=precondition def getData(self): """getUrlData""" return urllib.urlopen(self.baseUrl+self.queryString) def changeZogiImageForm(self): """Main configuration""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self) return pt() def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None): """change it""" self.title=title self.baseUrl=baseUrl self.queryString=queryString if RESPONSE is not None: RESPONSE.redirect('manage_main') def index_html(self, REQUEST, RESPONSE): """ Modified version of OFS/Image.py The default view of the contents of a File or Image. Returns the contents of the file or image. Also, sets the Content-Type HTTP header to the objects content type. """ # HTTP If-Modified-Since header handling. header=REQUEST.get_header('If-Modified-Since', None) if header is not None: header=header.split( ';')[0] # Some proxies seem to send invalid date strings for this # header. If the date string is not valid, we ignore it # rather than raise an error to be generally consistent # with common servers such as Apache (which can usually # understand the screwy date string as a lucky side effect # of the way they parse it). # This happens to be what RFC2616 tells us to do in the face of an # invalid date. try: mod_since=long(DateTime(header).timeTime()) except: mod_since=None if mod_since is not None: if self._p_mtime: last_mod = long(self._p_mtime) else: last_mod = long(0) if last_mod > 0 and last_mod <= mod_since: # Set header values since apache caching will return Content-Length # of 0 in response if size is not set here RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) RESPONSE.setHeader('Content-Type', self.content_type) RESPONSE.setHeader('Content-Length', self.size) RESPONSE.setHeader('Accept-Ranges', 'bytes') self.ZCacheable_set(None) RESPONSE.setStatus(304) return '' if self.precondition and hasattr(self,self.precondition): # Grab whatever precondition was defined and then # execute it. The precondition will raise an exception # if something violates its terms. c=getattr(self,self.precondition) if hasattr(c,'isDocTemp') and c.isDocTemp: c(REQUEST['PARENTS'][1],REQUEST) else: c() # HTTP Range header handling range = REQUEST.get_header('Range', None) request_range = REQUEST.get_header('Request-Range', None) if request_range is not None: # Netscape 2 through 4 and MSIE 3 implement a draft version # Later on, we need to serve a different mime-type as well. range = request_range if_range = REQUEST.get_header('If-Range', None) if range is not None: ranges = HTTPRangeSupport.parseRange(range) if if_range is not None: # Only send ranges if the data isn't modified, otherwise send # the whole object. Support both ETags and Last-Modified dates! if len(if_range) > 1 and if_range[:2] == 'ts': # ETag: if if_range != self.http__etag(): # Modified, so send a normal response. We delete # the ranges, which causes us to skip to the 200 # response. ranges = None else: # Date date = if_range.split( ';')[0] try: mod_since=long(DateTime(date).timeTime()) except: mod_since=None if mod_since is not None: if self._p_mtime: last_mod = long(self._p_mtime) else: last_mod = long(0) if last_mod > mod_since: # Modified, so send a normal response. We delete # the ranges, which causes us to skip to the 200 # response. ranges = None if ranges: # Search for satisfiable ranges. satisfiable = 0 for start, end in ranges: if start < self.size: satisfiable = 1 break if not satisfiable: RESPONSE.setHeader('Content-Range', 'bytes */%d' % self.size) RESPONSE.setHeader('Accept-Ranges', 'bytes') RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) RESPONSE.setHeader('Content-Type', self.content_type) RESPONSE.setHeader('Content-Length', self.size) RESPONSE.setStatus(416) return '' ranges = HTTPRangeSupport.expandRanges(ranges, self.size) if len(ranges) == 1: # Easy case, set extra header and return partial set. start, end = ranges[0] size = end - start RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) RESPONSE.setHeader('Content-Type', self.content_type) RESPONSE.setHeader('Content-Length', size) RESPONSE.setHeader('Accept-Ranges', 'bytes') RESPONSE.setHeader('Content-Range', 'bytes %d-%d/%d' % (start, end - 1, self.size)) RESPONSE.setStatus(206) # Partial content data = urllib.urlopen(self.baseUrl+self.queryString).read() if type(data) is StringType: return data[start:end] # Linked Pdata objects. Urgh. pos = 0 while data is not None: l = len(data.data) pos = pos + l if pos > start: # We are within the range lstart = l - (pos - start) if lstart < 0: lstart = 0 # find the endpoint if end <= pos: lend = l - (pos - end) # Send and end transmission RESPONSE.write(data[lstart:lend]) break # Not yet at the end, transmit what we have. RESPONSE.write(data[lstart:]) data = data.next return '' else: boundary = choose_boundary() # Calculate the content length size = (8 + len(boundary) + # End marker length len(ranges) * ( # Constant lenght per set 49 + len(boundary) + len(self.content_type) + len('%d' % self.size))) for start, end in ranges: # Variable length per set size = (size + len('%d%d' % (start, end - 1)) + end - start) # Some clients implement an earlier draft of the spec, they # will only accept x-byteranges. draftprefix = (request_range is not None) and 'x-' or '' RESPONSE.setHeader('Content-Length', size) RESPONSE.setHeader('Accept-Ranges', 'bytes') RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) RESPONSE.setHeader('Content-Type', 'multipart/%sbyteranges; boundary=%s' % ( draftprefix, boundary)) RESPONSE.setStatus(206) # Partial content data = urllib.urlopen(self.baseUrl+self.queryString).read() # The Pdata map allows us to jump into the Pdata chain # arbitrarily during out-of-order range searching. pdata_map = {} pdata_map[0] = data for start, end in ranges: RESPONSE.write('\r\n--%s\r\n' % boundary) RESPONSE.write('Content-Type: %s\r\n' % self.content_type) RESPONSE.write( 'Content-Range: bytes %d-%d/%d\r\n\r\n' % ( start, end - 1, self.size)) if type(data) is StringType: RESPONSE.write(data[start:end]) else: # Yippee. Linked Pdata objects. The following # calculations allow us to fast-forward through the # Pdata chain without a lot of dereferencing if we # did the work already. first_size = len(pdata_map[0].data) if start < first_size: closest_pos = 0 else: closest_pos = ( ((start - first_size) >> 16 << 16) + first_size) pos = min(closest_pos, max(pdata_map.keys())) data = pdata_map[pos] while data is not None: l = len(data.data) pos = pos + l if pos > start: # We are within the range lstart = l - (pos - start) if lstart < 0: lstart = 0 # find the endpoint if end <= pos: lend = l - (pos - end) # Send and loop to next range RESPONSE.write(data[lstart:lend]) break # Not yet at the end, transmit what we have. RESPONSE.write(data[lstart:]) data = data.next # Store a reference to a Pdata chain link so we # don't have to deref during this request again. pdata_map[pos] = data # Do not keep the link references around. del pdata_map RESPONSE.write('\r\n--%s--\r\n' % boundary) return '' RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) RESPONSE.setHeader('Content-Type', self.content_type) RESPONSE.setHeader('Content-Length', self.size) RESPONSE.setHeader('Accept-Ranges', 'bytes') # Don't cache the data itself, but provide an opportunity # for a cache manager to set response headers. self.ZCacheable_set(None) data=urllib.urlopen(self.baseUrl+self.queryString).read() if type(data) is type(''): RESPONSE.setBase(None) return data while data is not None: RESPONSE.write(data.data) data=data.next return '' def manage_addZogiImageForm(self): """Form for adding""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self) return pt() def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None): """add dgilib""" newObj=zogiImage(id,title,baseUrl, queryString) self.Destination()._setObject(id,newObj) if RESPONSE is not None: RESPONSE.redirect('manage_main') class zogiLib(Folder): """StandardElement""" meta_type="zogiLib" manage_options = Folder.manage_options+( {'label':'Main Config','action':'changeZogiLibForm'}, ) def __init__(self, id,title,digilibBaseUrl, localFileBase,version="book"): """init""" self.id=id self.title=title self.digilibBaseUrl=digilibBaseUrl self.localFileBase=localFileBase self.layout=version def getDLInfo(self): """get DLInfo from digilib server""" paramH={} baseUrl=re.sub("servlet/Scaler","dlInfo-xml.jsp",self.digilibBaseUrl) try: url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING']) dom=xml.dom.minidom.parse(url) params=dom.getElementsByTagName('parameter') for param in params: paramH[param.getAttribute('name')]=param.getAttribute('value') return paramH except: return null def createHeadJS(self): """generate all javascript tags for head""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self) return pt() def createParamJS(self): """generate javascript for parameters only""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self) return pt() def createScalerImg(self, requestString = None): """generate Scaler IMG Tag""" bt = self.REQUEST.SESSION['browserType'] if not requestString: requestString = self.REQUEST.QUERY_STRING url = self.digilibBaseUrl+requestString tag = "" if bt.isN4: tag += '' else: tag += '
' tag += '' if bt.isN4: tag += '' else: tag += '
' return tag def createAuxDiv(self): """generate other divs""" bt = self.REQUEST.SESSION['browserType'] if bt.isN4: f = 'zpt/zogilib_divsN4.zpt' else: f = 'zpt/zogilib_divs.zpt' pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self) return pt() def option_js(self): """option_js""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/option_js')).__of__(self) return pt() def dl_lib_js(self): """javascript""" return sendFile(self, 'js/dl_lib.js', 'text/plain') def js_lib_js(self): """javascript""" return sendFile(self, 'js/js_lib.js', 'text/plain') def optionwindow(self): """showoptions""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self) return pt() def mark1(self): """mark image""" return sendFile(self, 'images/mark1.gif', 'image/gif') def mark2(self): """mark image""" return sendFile(self, 'images/mark2.gif', 'image/gif') def mark3(self): """mark image""" return sendFile(self, 'images/mark3.gif', 'image/gif') def mark4(self): """mark image""" return sendFile(self, 'images/mark4.gif', 'image/gif') def mark5(self): """mark image""" return sendFile(self, 'images/mark5.gif', 'image/gif') def mark6(self): """mark image""" return sendFile(self, 'images/mark6.gif', 'image/gif') def mark7(self): """mark image""" return sendFile(self, 'images/mark7.gif', 'image/gif') def mark8(self): """mark image""" return sendFile(self, 'images/mark8.gif', 'image/gif') def corner1(self): """mark image""" return sendFile(self, 'images/olinks.gif', 'image/gif') def corner2(self): """mark image""" return sendFile(self, 'images/orechts.gif', 'image/gif') def corner3(self): """mark image""" return sendFile(self, 'images/ulinks.gif', 'image/gif') def corner4(self): """mark image""" return sendFile(self, 'images/urechts.gif', 'image/gif') def index_html(self): """main action""" tp = "zogiLibMainTemplate" if hasattr(self, tp): pt = getattr(self, tp) else: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%self.layout)).__of__(self) return pt() def storeQuery(self): """storeQuery in session""" dlParams = {} for fm in self.REQUEST.form.keys(): dlParams[fm] = self.REQUEST.form[fm] if 'mo' in dlParams: if len(dlParams['mo']) > 0: modes=dlParams['mo'].split(',') else: modes=[] self.REQUEST.SESSION['query'] = dlParams self.REQUEST.SESSION['dlModes'] = modes self.REQUEST.SESSION['dlInfo'] = self.getDLInfo() self.REQUEST.SESSION['browserType'] = BrowserCheck(self) def getDLParam(self,param): """returns parameter""" try: return self.REQUEST.SESSION['query'][param] except: return None def setDLParam(self, param, value): """sets parameter""" self.REQUEST.SESSION['query'][param] = value return def getAllDLParams(self): """parameter string for digilib""" dlParams = self.REQUEST.SESSION['query'] # save modes modes = self.REQUEST.SESSION['dlModes'] dlParams['mo'] = string.join(modes, ',') # assemble query string ret = "" for param in dlParams.keys(): val = str(dlParams[param]) if val != "": ret += param + "=" + val + "&" # omit trailing "&" return ret.rstrip('&') def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None): """setze Parameter""" ret="" if brgt: self.setDLParam('brgt', brgt) if cont: self.setDLParam('cont', cont) if pn: self.setDLParam('pn', pn) if ws: self.setDLParam('ws', ws) if rot: self.setDLParam('rot', rot) return self.display() def display(self): """(re)display page""" params = self.getAllDLParams() self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params) def getPT(self): """pagenums""" di = self.REQUEST.SESSION['dlInfo'] if di: return int(di['pt']) else: return 1 def getPN(self): """Pagenum""" pn = self.getDLParam('pn') if pn: return int(pn) else: return 1 def getBiggerWS(self): """ws+1""" ws=self.getDLParam('ws') if ws: return int(ws)+1 else: return 2 def getSmallerWS(self): """ws-1""" ws=self.getDLParam('ws') if ws: if int(ws)==1: return 1 else: return int(ws)-1 else: return 1 def hasMode(self, mode): """returns if mode is in the diglib mo parameter""" return (mode in self.REQUEST.SESSION['dlModes']) def hasNextPage(self): """returns if there is a next page""" pn = self.getPN() pt = self.getPT() return (pn < pt) def hasPrevPage(self): """returns if there is a previous page""" pn = self.getPN() return (pn > 1) def dl_HMirror(self): """mirror action""" modes = self.REQUEST.SESSION['dlModes'] if 'hmir' in modes: modes.remove('hmir') else: modes.append('hmir') return self.display() def dl_VMirror(self): """mirror action""" modes = self.REQUEST.SESSION['dlModes'] if 'vmir' in modes: modes.remove('vmir') else: modes.append('vmir') return self.display() def dl_WholePage(self): """zoom out action""" self.setDLParam('ww', 1) self.setDLParam('wh', 1) self.setDLParam('wx', 0) self.setDLParam('wy', 0) return self.display() def dl_PrevPage(self): """next page action""" pn = self.getPN() - 1 if pn < 1: pn = 1 self.setDLParam('pn', pn) # unmark self.setDLParam('mk', None) return self.display() def dl_NextPage(self): """next page action""" pn = self.getPN() + 1 pt = self.getPT() if pn > pt: pn = pt self.setDLParam('pn', pn) # unmark self.setDLParam('mk', None) return self.display() def dl_FirstPage(self): """first page action""" self.setDLParam('pn', 1) # unmark self.setDLParam('mk', None) return self.display() def dl_LastPage(self): """last page action""" self.setDLParam('pn', self.getPT()) # unmark self.setDLParam('mk', None) return self.display() def dl_Unmark(self): """action to remove last mark""" mk = self.getDLParam('mk') if mk: marks = mk.split(',') marks.pop() mk = string.join(marks, ',') self.setDLParam('mk', mk) return self.display() def changeZogiLibForm(self): """Main configuration""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self) return pt() def changeZogiLib(self,title,digilibBaseUrl, localFileBase, version, RESPONSE=None): """change it""" self.title=title self.digilibBaseUrl=digilibBaseUrl self.localFileBase=localFileBase self.layout=version if RESPONSE is not None: RESPONSE.redirect('manage_main') def manage_addZogiLibForm(self): """interface for adding zogilib""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self) return pt() def manage_addZogiLib(self,id,title,digilibBaseUrl, localFileBase,version="book",RESPONSE=None): """add dgilib""" newObj=zogiLib(id,title,digilibBaseUrl, localFileBase, version) self.Destination()._setObject(id,newObj) if RESPONSE is not None: RESPONSE.redirect('manage_main')