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R3600/modules/websearch/lib/websearch_webinterface.py
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websearch_webinterface.py
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## $Id$
##
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""WebSearch URL handler."""
__revision__ = "$Id$"
import cgi
import os
import datetime
from urllib import quote
from mod_python import apache
#maximum number of collaborating authors etc shown in GUI
MAX_COLLAB_LIST = 10
MAX_KEYWORD_LIST = 10
MAX_VENUE_LIST = 10
#tag constants
AUTHOR_TAG = "100__a"
COAUTHOR_TAG = "700_a"
AUTHOR_INST_TAG = "100__u"
VENUE_TAG = "909C4p"
KEYWORD_TAG = "6531_a"
try:
Set = set
except NameError:
from sets import Set
from invenio.config import \
CFG_SITE_URL, \
CFG_SITE_NAME, \
CFG_CACHEDIR, \
CFG_SITE_LANG, \
CFG_SITE_ADMIN_EMAIL, \
CFG_SITE_SECURE_URL, \
CFG_WEBSEARCH_INSTANT_BROWSE_RSS, \
CFG_WEBSEARCH_RSS_TTL, \
CFG_WEBSEARCH_RSS_MAX_CACHED_REQUESTS, \
CFG_WEBSEARCH_DEFAULT_SEARCH_INTERFACE, \
CFG_WEBSEARCH_ENABLED_SEARCH_INTERFACES
from invenio.dbquery import Error
from invenio.webinterface_handler import wash_urlargd, WebInterfaceDirectory
from invenio.urlutils import redirect_to_url, make_canonical_urlargd, drop_default_urlargd, create_html_link
from invenio.webuser import getUid, page_not_authorized, get_user_preferences, \
collect_user_info, http_check_credentials
from invenio import search_engine
from invenio.websubmit_webinterface import WebInterfaceFilesPages
from invenio.webcomment_webinterface import WebInterfaceCommentsPages
from invenio.webpage import page, create_error_box
from invenio.messages import gettext_set_language
from invenio.search_engine import get_colID, get_coll_i18nname, \
check_user_can_view_record, collection_restricted_p, restricted_collection_cache, \
get_fieldvalues
from invenio.access_control_engine import acc_authorize_action
from invenio.access_control_config import VIEWRESTRCOLL
from invenio.access_control_mailcookie import mail_cookie_create_authorize_action
from invenio.bibformat import format_records
from invenio.bibformat_engine import get_output_formats
from invenio.websearch_webcoll import mymkdir, get_collection
from invenio.intbitset import intbitset
from invenio.bibupload import find_record_from_sysno
from invenio.bibrank_citation_searcher import get_author_cited_by, get_cited_by_list
from invenio.bibrank_downloads_indexer import get_download_weight_total
from invenio.search_engine_summarizer import summarize_records
import invenio.template
websearch_templates = invenio.template.load('websearch')
search_results_default_urlargd = websearch_templates.search_results_default_urlargd
search_interface_default_urlargd = websearch_templates.search_interface_default_urlargd
try:
output_formats = [output_format['attrs']['code'].lower() for output_format in \
get_output_formats(with_attributes=True).values()]
except KeyError:
output_formats = ['xd', 'xm', 'hd', 'hb', 'hs', 'hx']
output_formats.extend(['hm', 't', 'h'])
def wash_search_urlargd(form):
"""
Create canonical search arguments from those passed via web form.
"""
argd = wash_urlargd(form, search_results_default_urlargd)
# Sometimes, users pass ot=245,700 instead of
# ot=245&ot=700. Normalize that.
ots = []
for ot in argd['ot']:
ots += ot.split(',')
argd['ot'] = ots
# We can either get the mode of function as
# action=<browse|search>, or by setting action_browse or
# action_search.
if argd['action_browse']:
argd['action'] = 'browse'
elif argd['action_search']:
argd['action'] = 'search'
else:
if argd['action'] not in ('browse', 'search'):
argd['action'] = 'search'
del argd['action_browse']
del argd['action_search']
return argd
class WebInterfaceAuthorPages(WebInterfaceDirectory):
""" Handle /author/Doe%2C+John etc set of pages."""
_exports = ['author']
def __init__(self, authorname=''):
"""Constructor."""
self.authorname = authorname
def _lookup(self, component, path):
"""This handler parses dynamic URLs (/author/John+Doe)."""
return WebInterfaceAuthorPages(component), path
def __call__(self, req, form):
"""Serve the page in the given language."""
argd = wash_urlargd(form, {'ln': (str, CFG_SITE_LANG)})
ln = argd['ln']
req.argd = argd #needed since perform_req_search
# start page
req.content_type = "text/html"
req.send_http_header()
uid = getUid(req)
search_engine.page_start(req, "hb", "", "", ln, uid)
#wants to check it in case of no results
self.authorname = self.authorname.replace("+"," ")
if not self.authorname:
return websearch_templates.tmpl_author_information(req, {}, self.authorname,
0, {},
{}, {}, {}, {}, ln)
citelist = get_author_cited_by(self.authorname)
#search the publications by this author
pubs = search_engine.perform_request_search(req=req, p=self.authorname, f="author")
#get most frequent first authors of these pubs
authors = search_engine.get_most_popular_values_for_code(pubs, AUTHOR_TAG)
#and affiliates
collabs = search_engine.get_most_popular_values_for_code(pubs, COAUTHOR_TAG)
#and publication venues
venuedict = search_engine.get_values_for_code_dict(pubs, VENUE_TAG)
#and keywords
kwdict = search_engine.get_values_for_code_dict(pubs, KEYWORD_TAG)
#construct a simple list of tuples that contains keywords that appear more than once
#moreover, limit the length of the list to MAX_KEYWORD_LIST
kwtuples = []
for k in kwdict.keys():
if kwdict[k] > 1:
mytuple = (kwdict[k], k)
kwtuples.append(mytuple)
#sort ..
kwtuples.sort()
kwtuples.reverse()
kwtuples = kwtuples[0:MAX_KEYWORD_LIST]
#same for venues
vtuples = []
for k in venuedict.keys():
if venuedict[k] > 1:
mytuple = (venuedict[k], k)
vtuples.append(mytuple)
#sort ..
vtuples.sort()
vtuples.reverse()
vtuples = vtuples[0:MAX_VENUE_LIST]
authors.extend(collabs) #join
#remove the author in question from authors: they are associates
if (authors.count(self.authorname) > 0):
authors.remove(self.authorname)
authors = authors[0:MAX_COLLAB_LIST] #cut extra
#a dict. keys: affiliations, values: lists of publications
author_aff_pubs = self.get_institute_pub_dict(pubs)
authoraffs = author_aff_pubs.keys()
#find out how many times these records have been downloaded
recsloads = {}
recsloads = get_download_weight_total(recsloads, pubs)
#sum up
totaldownloads = 0
for k in recsloads.keys():
totaldownloads = totaldownloads + recsloads[k]
#get cited by..
citedbylist = get_cited_by_list(pubs)
#finally all stuff there, call the template
websearch_templates.tmpl_author_information(req, pubs, self.authorname,
totaldownloads, author_aff_pubs,
citedbylist, kwtuples, authors, vtuples, ln)
#cited-by summary
out = summarize_records(intbitset(pubs), 'hcs', ln, self.authorname, 'author', req)
req.write(out)
simauthbox = search_engine.create_similarly_named_authors_link_box(self.authorname)
req.write(simauthbox)
return search_engine.page_end(req, 'hb', ln)
def get_institute_pub_dict(self, recids):
#return a dictionary consisting of institute -> list of publications
affus = [] #list of insts from the record
author_aff_pubs = {} #the disct to be build
for recid in recids:
#iterate all so that we get first author's intitute
#if this the first author OR
#"his" institute if he is an affliate author
mainauthors = get_fieldvalues(recid, AUTHOR_TAG)
mainauthor = " "
if mainauthors:
mainauthor = mainauthors[0]
if (mainauthor == self.authorname):
affus = get_fieldvalues(recid, AUTHOR_INST_TAG)
#if this is empty, add a dummy " " value
if (affus == []):
affus = [" "]
for a in affus:
#add in author_aff_pubs
if (author_aff_pubs.has_key(a)):
tmp = author_aff_pubs[a]
tmp.append(recid)
author_aff_pubs[a] = tmp
else:
author_aff_pubs[a] = [recid]
return author_aff_pubs
index = __call__
class WebInterfaceRecordPages(WebInterfaceDirectory):
""" Handling of a /record/<recid> URL fragment """
_exports = ['', 'files', 'reviews', 'comments', 'usage',
'references', 'export', 'citations']
#_exports.extend(output_formats)
def __init__(self, recid, tab, format=None):
self.recid = recid
self.tab = tab
self.format = format
self.export = self
self.files = WebInterfaceFilesPages(self.recid)
self.reviews = WebInterfaceCommentsPages(self.recid, reviews=1)
self.comments = WebInterfaceCommentsPages(self.recid)
self.usage = self
self.references = self
self.citations = self
self.export = WebInterfaceRecordExport(self.recid, self.format)
return
def __call__(self, req, form):
argd = wash_search_urlargd(form)
argd['recid'] = self.recid
argd['tab'] = self.tab
if self.format is not None:
argd['of'] = self.format
req.argd = argd
uid = getUid(req)
if uid == -1:
return page_not_authorized(req, "../",
text="You are not authorized to view this record.",
navmenuid='search')
elif uid > 0:
pref = get_user_preferences(uid)
try:
if not form.has_key('rg'):
# fetch user rg preference only if not overridden via URL
argd['rg'] = int(pref['websearch_group_records'])
except (KeyError, ValueError):
pass
user_info = collect_user_info(req)
(auth_code, auth_msg) = check_user_can_view_record(user_info, self.recid)
if auth_code and user_info['email'] == 'guest' and not user_info['apache_user']:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : search_engine.guess_primary_collection_of_a_record(self.recid)})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
elif auth_code:
return page_not_authorized(req, "../", \
text = auth_msg,\
navmenuid='search')
# mod_python does not like to return [] in case when of=id:
out = search_engine.perform_request_search(req, **argd)
if out == []:
return str(out)
else:
return out
# Return the same page wether we ask for /record/123 or /record/123/
index = __call__
class WebInterfaceRecordRestrictedPages(WebInterfaceDirectory):
""" Handling of a /record-restricted/<recid> URL fragment """
_exports = ['', 'files', 'reviews', 'comments', 'usage',
'references', 'export', 'citations']
#_exports.extend(output_formats)
def __init__(self, recid, tab, format=None):
self.recid = recid
self.tab = tab
self.format = format
self.files = WebInterfaceFilesPages(self.recid)
self.reviews = WebInterfaceCommentsPages(self.recid, reviews=1)
self.comments = WebInterfaceCommentsPages(self.recid)
self.usage = self
self.references = self
self.citations = self
self.export = WebInterfaceRecordExport(self.recid, self.format)
return
def __call__(self, req, form):
argd = wash_search_urlargd(form)
argd['recid'] = self.recid
if self.format is not None:
argd['of'] = self.format
req.argd = argd
uid = getUid(req)
user_info = collect_user_info(req)
if uid == -1:
return page_not_authorized(req, "../",
text="You are not authorized to view this record.",
navmenuid='search')
elif uid > 0:
pref = get_user_preferences(uid)
try:
if not form.has_key('rg'):
# fetch user rg preference only if not overridden via URL
argd['rg'] = int(pref['websearch_group_records'])
except (KeyError, ValueError):
pass
record_primary_collection = search_engine.guess_primary_collection_of_a_record(self.recid)
if collection_restricted_p(record_primary_collection):
(auth_code, dummy) = acc_authorize_action(user_info, VIEWRESTRCOLL, collection=record_primary_collection)
if auth_code:
return page_not_authorized(req, "../",
text="You are not authorized to view this record.",
navmenuid='search')
# Keep all the arguments, they might be reused in the
# record page itself to derivate other queries
req.argd = argd
# mod_python does not like to return [] in case when of=id:
out = search_engine.perform_request_search(req, **argd)
if out == []:
return str(out)
else:
return out
# Return the same page wether we ask for /record/123 or /record/123/
index = __call__
class WebInterfaceSearchResultsPages(WebInterfaceDirectory):
""" Handling of the /search URL and its sub-pages. """
_exports = ['', 'authenticate', 'cache', 'log']
def __call__(self, req, form):
""" Perform a search. """
argd = wash_search_urlargd(form)
_ = gettext_set_language(argd['ln'])
if req.method == 'POST':
raise apache.SERVER_RETURN, apache.HTTP_METHOD_NOT_ALLOWED
uid = getUid(req)
user_info = collect_user_info(req)
if uid == -1:
return page_not_authorized(req, "../",
text = _("You are not authorized to view this area."),
navmenuid='search')
elif uid > 0:
pref = get_user_preferences(uid)
try:
if not form.has_key('rg'):
# fetch user rg preference only if not overridden via URL
argd['rg'] = int(pref['websearch_group_records'])
except (KeyError, ValueError):
pass
involved_collections = Set()
involved_collections.update(argd['c'])
involved_collections.add(argd['cc'])
if argd['id'] > 0:
argd['recid'] = argd['id']
if argd['idb'] > 0:
argd['recidb'] = argd['idb']
if argd['sysno']:
tmp_recid = find_record_from_sysno(argd['sysno'])
if tmp_recid:
argd['recid'] = tmp_recid
if argd['sysnb']:
tmp_recid = find_record_from_sysno(argd['sysnb'])
if tmp_recid:
argd['recidb'] = tmp_recid
if argd['recid'] > 0:
if argd['recidb'] > argd['recid']:
# Hack to check if among the restricted collections
# at least a record of the range is there and
# then if the user is not authorized for that
# collection.
recids = intbitset(xrange(argd['recid'], argd['recidb']))
restricted_colls = restricted_collection_cache.get_cache()
for collname in restricted_colls:
(auth_code, auth_msg) = acc_authorize_action(user_info, VIEWRESTRCOLL, collection=collname)
if auth_code:
coll_recids = get_collection(collname).reclist
if coll_recids & recids:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : collname})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action' : cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
else:
involved_collections.add(search_engine.guess_primary_collection_of_a_record(argd['recid']))
# If any of the collection requires authentication, redirect
# to the authentication form.
for coll in involved_collections:
if collection_restricted_p(coll):
(auth_code, auth_msg) = acc_authorize_action(user_info, VIEWRESTRCOLL, collection=coll)
if auth_code:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : coll})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action' : cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
# Keep all the arguments, they might be reused in the
# search_engine itself to derivate other queries
req.argd = argd
# mod_python does not like to return [] in case when of=id:
out = search_engine.perform_request_search(req, **argd)
if out == []:
return str(out)
else:
return out
def cache(self, req, form):
"""Search cache page."""
argd = wash_urlargd(form, {'action': (str, 'show')})
return search_engine.perform_request_cache(req, action=argd['action'])
def log(self, req, form):
"""Search log page."""
argd = wash_urlargd(form, {'date': (str, '')})
return search_engine.perform_request_log(req, date=argd['date'])
def authenticate(self, req, form):
"""Restricted search results pages."""
argd = wash_search_urlargd(form)
user_info = collect_user_info(req)
for coll in argd['c'] + [argd['cc']]:
if collection_restricted_p(coll):
(auth_code, dummy) = acc_authorize_action(user_info, VIEWRESTRCOLL, collection=coll)
if auth_code:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : coll})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action' : cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
# Keep all the arguments, they might be reused in the
# search_engine itself to derivate other queries
req.argd = argd
uid = getUid(req)
if uid > 0:
pref = get_user_preferences(uid)
try:
if not form.has_key('rg'):
# fetch user rg preference only if not overridden via URL
argd['rg'] = int(pref['websearch_group_records'])
except (KeyError, ValueError):
pass
# mod_python does not like to return [] in case when of=id:
out = search_engine.perform_request_search(req, **argd)
if out == []:
return str(out)
else:
return out
# Parameters for the legacy URLs, of the form /?c=ALEPH
legacy_collection_default_urlargd = {
'as': (int, CFG_WEBSEARCH_DEFAULT_SEARCH_INTERFACE),
'verbose': (int, 0),
'c': (str, CFG_SITE_NAME)}
class WebInterfaceSearchInterfacePages(WebInterfaceDirectory):
""" Handling of collection navigation."""
_exports = [('index.py', 'legacy_collection'),
('', 'legacy_collection'),
('search.py', 'legacy_search'),
'search', 'openurl', 'testsso']
search = WebInterfaceSearchResultsPages()
def testsso(self, req, form):
""" For testing single sign-on """
req.add_common_vars()
sso_env = {}
for var, value in req.subprocess_env.iteritems():
if var.startswith('HTTP_ADFS_'):
sso_env[var] = value
out = "<HTML><HEAD><TITLE>SSO test</TITLE</HEAD>"
out += "<BODY><TABLE>"
for var, value in sso_env.iteritems():
out += "<TR><TD><STRONG>%s</STRONG></TD><TD>%s</TD></TR>" % (var, value)
out += "</TABLE></BODY></HTML>"
return out
def _lookup(self, component, path):
""" This handler is invoked for the dynamic URLs (for
collections and records)"""
if component == 'collection':
c = '/'.join(path)
def answer(req, form):
"""Accessing collections cached pages."""
# Accessing collections: this is for accessing the
# cached page on top of each collection.
argd = wash_urlargd(form, search_interface_default_urlargd)
# We simply return the cached page of the collection
argd['c'] = c
if not argd['c']:
# collection argument not present; display
# home collection by default
argd['c'] = CFG_SITE_NAME
return display_collection(req, **argd)
return answer, []
elif component == 'record' or component == 'record-restricted':
try:
recid = int(path[0])
except IndexError:
# display record #1 for URL /record without a number
recid = 1
except ValueError:
if path[0] == '':
# display record #1 for URL /record/ without a number
recid = 1
else:
# display page not found for URLs like /record/foo
return None, []
if recid <= 0:
# display page not found for URLs like /record/-5 or /record/0
return None, []
format = None
tab = ''
try:
if path[1] in ['', 'files', 'reviews', 'comments',
'usage', 'references', 'citations']:
tab = path[1]
elif path[1] == 'export':
tab = ''
format = path[2]
# format = None
# elif path[1] in output_formats:
# tab = ''
# format = path[1]
else:
# display page not found for URLs like /record/references
# for a collection where 'references' tabs is not visible
return None, []
except IndexError:
# Keep normal url if tabs is not specified
pass
#if component == 'record-restricted':
#return WebInterfaceRecordRestrictedPages(recid, tab, format), path[1:]
#else:
return WebInterfaceRecordPages(recid, tab, format), path[1:]
return None, []
def openurl(self, req, form):
""" OpenURL Handler."""
argd = wash_urlargd(form, websearch_templates.tmpl_openurl_accepted_args)
ret_url = websearch_templates.tmpl_openurl2invenio(argd)
if ret_url:
return redirect_to_url(req, ret_url)
else:
return redirect_to_url(req, CFG_SITE_URL)
def legacy_collection(self, req, form):
"""Collection URL backward compatibility handling."""
accepted_args = dict(legacy_collection_default_urlargd)
accepted_args.update({'referer' : (str, ''),
'realm' : (str, '')})
argd = wash_urlargd(form, accepted_args)
# Apache authentication stuff
if argd['realm']:
http_check_credentials(req, argd['realm'])
return redirect_to_url(req, argd['referer'] or '%s/youraccount/youradminactivities' % CFG_SITE_SECURE_URL)
del argd['referer']
del argd['realm']
# If we specify no collection, then we don't need to redirect
# the user, so that accessing <http://yoursite/> returns the
# default collection.
if not form.has_key('c'):
return display_collection(req, **argd)
# make the collection an element of the path, and keep the
# other query elements as is. If the collection is CFG_SITE_NAME,
# however, redirect to the main URL.
c = argd['c']
del argd['c']
if c == CFG_SITE_NAME:
target = '/'
else:
target = '/collection/' + quote(c)
target += make_canonical_urlargd(argd, legacy_collection_default_urlargd)
return redirect_to_url(req, target)
def legacy_search(self, req, form):
"""Search URL backward compatibility handling."""
argd = wash_search_urlargd(form)
# We either jump into the generic search form, or the specific
# /record/... display if a recid is requested
if argd['recid'] != -1:
target = '/record/%d' % argd['recid']
del argd['recid']
else:
target = '/search'
target += make_canonical_urlargd(argd, search_results_default_urlargd)
return redirect_to_url(req, target)
def display_collection(req, c, as, verbose, ln):
"""Display search interface page for collection c by looking
in the collection cache."""
_ = gettext_set_language(ln)
req.argd = drop_default_urlargd({'as': as, 'verbose': verbose, 'ln': ln},
search_interface_default_urlargd)
# get user ID:
try:
uid = getUid(req)
user_preferences = {}
if uid == -1:
return page_not_authorized(req, "../",
text="You are not authorized to view this collection",
navmenuid='search')
elif uid > 0:
user_preferences = get_user_preferences(uid)
except Error:
return page(title=_("Internal Error"),
body = create_error_box(req, verbose=verbose, ln=ln),
description="%s - Internal Error" % CFG_SITE_NAME,
keywords="%s, Internal Error" % CFG_SITE_NAME,
language=ln,
req=req,
navmenuid='search')
# start display:
req.content_type = "text/html"
req.send_http_header()
# deduce collection id:
colID = get_colID(c)
if type(colID) is not int:
page_body = '<p>' + (_("Sorry, collection %s does not seem to exist.") % ('<strong>' + str(c) + '</strong>')) + '</p>'
page_body = '<p>' + (_("You may want to start browsing from %s.") % ('<a href="' + CFG_SITE_URL + '?ln=' + ln + '">' + get_coll_i18nname(CFG_SITE_NAME, ln) + '</a>')) + '</p>'
return page(title=_("Collection %s Not Found") % cgi.escape(c),
body=page_body,
description=(CFG_SITE_NAME + ' - ' + _("Not found") + ': ' + cgi.escape(str(c))),
keywords="%s" % CFG_SITE_NAME,
uid=uid,
language=ln,
req=req,
navmenuid='search')
# display collection interface page:
try:
filedesc = open("%s/collections/%d/navtrail-as=%d-ln=%s.html" % (CFG_CACHEDIR, colID, as, ln), "r")
c_navtrail = filedesc.read()
filedesc.close()
filedesc = open("%s/collections/%d/body-as=%d-ln=%s.html" % (CFG_CACHEDIR, colID, as, ln), "r")
c_body = filedesc.read()
filedesc.close()
filedesc = open("%s/collections/%d/portalbox-tp-ln=%s.html" % (CFG_CACHEDIR, colID, ln), "r")
c_portalbox_tp = filedesc.read()
filedesc.close()
filedesc = open("%s/collections/%d/portalbox-te-ln=%s.html" % (CFG_CACHEDIR, colID, ln), "r")
c_portalbox_te = filedesc.read()
filedesc.close()
filedesc = open("%s/collections/%d/portalbox-lt-ln=%s.html" % (CFG_CACHEDIR, colID, ln), "r")
c_portalbox_lt = filedesc.read()
filedesc.close()
# show help boxes (usually located in "tr", "top right")
# if users have not banned them in their preferences:
c_portalbox_rt = ""
if user_preferences.get('websearch_helpbox', 1) > 0:
filedesc = open("%s/collections/%d/portalbox-rt-ln=%s.html" % (CFG_CACHEDIR, colID, ln), "r")
c_portalbox_rt = filedesc.read()
filedesc.close()
filedesc = open("%s/collections/%d/last-updated-ln=%s.html" % (CFG_CACHEDIR, colID, ln), "r")
c_last_updated = filedesc.read()
filedesc.close()
title = get_coll_i18nname(c, ln)
# if there is only one collection defined, do not print its
# title on the page as it would be displayed repetitively.
if len(search_engine.collection_reclist_cache.keys()) == 1:
title = ""
rssurl = CFG_SITE_URL + '/rss'
if c != CFG_SITE_NAME:
rssurl += '?cc=' + quote(c)
return page(title=title,
body=c_body,
navtrail=c_navtrail,
description="%s - %s" % (CFG_SITE_NAME, c),
keywords="%s, %s" % (CFG_SITE_NAME, c),
uid=uid,
language=ln,
req=req,
cdspageboxlefttopadd=c_portalbox_lt,
cdspageboxrighttopadd=c_portalbox_rt,
titleprologue=c_portalbox_tp,
titleepilogue=c_portalbox_te,
lastupdated=c_last_updated,
navmenuid='search',
rssurl=rssurl,
show_title_p=-1 not in CFG_WEBSEARCH_ENABLED_SEARCH_INTERFACES)
except:
if verbose >= 9:
req.write("<br />c=%s" % c)
req.write("<br />as=%s" % as)
req.write("<br />ln=%s" % ln)
req.write("<br />colID=%s" % colID)
req.write("<br />uid=%s" % uid)
return page(title=_("Internal Error"),
body = create_error_box(req, ln=ln),
description="%s - Internal Error" % CFG_SITE_NAME,
keywords="%s, Internal Error" % CFG_SITE_NAME,
uid=uid,
language=ln,
req=req,
navmenuid='search')
return "\n"
class WebInterfaceRSSFeedServicePages(WebInterfaceDirectory):
"""RSS 2.0 feed service pages."""
def __call__(self, req, form):
"""RSS 2.0 feed service."""
# Keep only interesting parameters for the search
default_params = websearch_templates.rss_default_urlargd
# We need to keep 'jrec' and 'rg' here in order to have
# 'multi-page' RSS. These parameters are not kept be default
# as we don't want to consider them when building RSS links
# from search and browse pages.
default_params.update({'jrec':(int, 1),
'rg': (int, CFG_WEBSEARCH_INSTANT_BROWSE_RSS)})
argd = wash_urlargd(form, default_params)
for coll in argd['c'] + [argd['cc']]:
if collection_restricted_p(coll):
user_info = collect_user_info(req)
(auth_code, auth_msg) = acc_authorize_action(user_info, VIEWRESTRCOLL, collection=coll)
if auth_code:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : coll})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action' : cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
# Create a standard filename with these parameters
current_url = websearch_templates.build_rss_url(argd)
cache_filename = current_url.split('/')[-1]
# In the same way as previously, add 'jrec' & 'rg'
req.content_type = "application/rss+xml"
req.send_http_header()
try:
# Try to read from cache
path = "%s/rss/%s.xml" % (CFG_CACHEDIR, cache_filename)
# Check if cache needs refresh
filedesc = open(path, "r")
last_update_time = datetime.datetime.fromtimestamp(os.stat(os.path.abspath(path)).st_mtime)
assert(datetime.datetime.now() < last_update_time + datetime.timedelta(minutes=CFG_WEBSEARCH_RSS_TTL))
c_rss = filedesc.read()
filedesc.close()
req.write(c_rss)
return
except Exception, e:
# do it live and cache
previous_url = None
if argd['jrec'] > 1:
prev_jrec = argd['jrec'] - argd['rg']
if prev_jrec < 1:
prev_jrec = 1
previous_url = websearch_templates.build_rss_url(argd,
jrec=prev_jrec)
recIDs = search_engine.perform_request_search(req, of="id",
c=argd['c'], cc=argd['cc'],
p=argd['p'], f=argd['f'],
p1=argd['p1'], f1=argd['f1'],
m1=argd['m1'], op1=argd['op1'],
p2=argd['p2'], f2=argd['f2'],
m2=argd['m2'], op2=argd['op2'],
p3=argd['p3'], f3=argd['f3'],
m3=argd['m3'])
next_url = None
if len(recIDs) >= argd['jrec'] + argd['rg']:
next_url = websearch_templates.build_rss_url(argd,
jrec=(argd['jrec'] + argd['rg']))
recIDs = recIDs[-argd['jrec']:(-argd['rg']-argd['jrec']):-1]
rss_prologue = '<?xml version="1.0" encoding="UTF-8"?>\n' + \
websearch_templates.tmpl_xml_rss_prologue(current_url=current_url,
previous_url=previous_url,
next_url=next_url) + '\n'
req.write(rss_prologue)
rss_body = format_records(recIDs,
of='xr',
record_separator="\n",
req=req, epilogue="\n")
rss_epilogue = websearch_templates.tmpl_xml_rss_epilogue() + '\n'
req.write(rss_epilogue)
# update cache
dirname = "%s/rss" % (CFG_CACHEDIR)
mymkdir(dirname)
fullfilename = "%s/rss/%s.xml" % (CFG_CACHEDIR, cache_filename)
try:
# Remove the file just in case it already existed
# so that a bit of space is created
os.remove(fullfilename)
except OSError:
pass
# Check if there's enough space to cache the request.
if len(os.listdir(dirname)) < CFG_WEBSEARCH_RSS_MAX_CACHED_REQUESTS:
try:
os.umask(022)
f = open(fullfilename, "w")
f.write(rss_prologue + rss_body + rss_epilogue)
f.close()
except IOError, v:
if v[0] == 36:
# URL was too long. Never mind, don't cache
pass
else:
raise repr(v)
index = __call__
class WebInterfaceRecordExport(WebInterfaceDirectory):
""" Handling of a /record/<recid>/export/<format> URL fragment """
_exports = output_formats
def __init__(self, recid, format=None):
self.recid = recid
self.format = format
for output_format in output_formats:
self.__dict__[output_format] = self
return
def __call__(self, req, form):
argd = wash_search_urlargd(form)
argd['recid'] = self.recid
if self.format is not None:
argd['of'] = self.format
req.argd = argd
uid = getUid(req)
if uid == -1:
return page_not_authorized(req, "../",
text="You are not authorized to view this record.",
navmenuid='search')
elif uid > 0:
pref = get_user_preferences(uid)
try:
if not form.has_key('rg'):
# fetch user rg preference only if not overridden via URL
argd['rg'] = int(pref['websearch_group_records'])
except (KeyError, ValueError):
pass
# Check if the record belongs to a restricted primary
# collection. If yes, redirect to the authenticated URL.
user_info = collect_user_info(req)
(auth_code, auth_msg) = check_user_can_view_record(user_info, self.recid)
if auth_code and user_info['email'] == 'guest' and not user_info['apache_user']:
cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : search_engine.guess_primary_collection_of_a_record(self.recid)})
target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : CFG_SITE_URL + req.unparsed_uri}, {})
return redirect_to_url(req, target)
elif auth_code:
return page_not_authorized(req, "../", \
text = auth_msg,\
navmenuid='search')
# mod_python does not like to return [] in case when of=id:
out = search_engine.perform_request_search(req, **argd)
if out == []:
return str(out)
else:
return out
# Return the same page wether we ask for /record/123/export/xm or /record/123/export/xm/
index = __call__
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