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 import types from Globals import package_home 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 def browserCheck(self): """check the browsers request to find out the browser type""" bt = {} ua = self.REQUEST.get_header("HTTP_USER_AGENT") bt['ua'] = ua bt['isIE'] = string.find(ua, 'MSIE') > -1 bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE'] nav = ua[string.find(ua, '('):] ie = string.split(nav, "; ")[1] if string.find(ie, "MSIE") > -1: bt['versIE'] = string.split(ie, " ")[1] bt['isMac'] = string.find(ua, 'Macintosh') > -1 bt['isWin'] = string.find(ua, 'Windows') > -1 bt['isIEWin'] = bt['isIE'] and bt['isWin'] bt['isIEMac'] = bt['isIE'] and bt['isMac'] bt['staticHTML'] = False return bt 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", basePath="", dlTarget=None): """init""" self.id=id self.title=title self.digilibBaseUrl=digilibBaseUrl self.localFileBase=localFileBase self.basePath=basePath self.layout=version if dlTarget: self.dlTarget = dlTarget else: self.dlTarget = "digilib" 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""" self.checkQuery() bt = self.REQUEST.SESSION['browserType'] if bt['staticHTML']: return pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self) return pt() def createParamJS(self): """generate javascript for parameters only""" self.checkQuery() bt = self.REQUEST.SESSION['browserType'] if bt['staticHTML']: return pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self) return pt() def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500): """generate Scaler IMG Tag""" self.checkQuery() bt = self.REQUEST.SESSION['browserType'] # override with parameters from session if self.REQUEST.SESSION.has_key('scalerDiv'): (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv'] # if not explicitly defined take normal request if not requestString: requestString = self.getAllDLParams() url = self.digilibBaseUrl+requestString # construct bottom and side insets b_par = "" s_par = "" if (bottom != 0) or (side != 0): b_par = "-" + str(int(bottom)) s_par = "-" + str(int(side)) tag = "" if bt['staticHTML']: tag += '
'%(url, int(width-side), int(height-bottom)) else: if bt['isN4']: # N4 needs layers tag += '