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RE: [Zope] Problem with checking roles an authenticated user has
by Randall F. Kern 07 Apr '01

07 Apr '01

The problem is the way HTTP Auth was designed. According to the HTTP specification, the browser only needs to send credentials after having received a 401 (Unauthorized) HTTP response code from the server, and only for that one request. The idea is that HTTP is stateless, so each and every request the browser makes would be met with a 401 response, and then the browser would send the credentials in a second request, and finally the server would validate the credentials and respond with the data. Now this is rather slow (2 requests for every page), so most browsers have optimized their implementation by automatically sending credentials for any URL below a URL the server required authentication for, on the first request. What this means is you can sort of work around you problem by having people log into your site in the root. A login method in the root of your site will work for this. The other solution is to use cookie based authentication. (I think there are several products on zope.org that provide this functionality.) -Randy > -----Original Message----- > From: Richard Ettema [mailto:richard.ettema@yoursolutions.co.uk] > Sent: Saturday, April 07, 2001 5:05 AM > To: zope(a)zope.org > Subject: [Zope] Problem with checking roles an authenticated user has > > > Hi, > > I have a site which includes a members area. When a member > logs in, extra > features are made available on all pages compared to a non-member. > The problem is that sometimes the authenticated_user test I > use does not > come back true once someone has logged in. This problem does > not occur all > the time or with any particular page. It is being very unpredictable! > This is the dtml-if (placed in the standard_html_header) I > use to check... > > <dtml-if "AUTHENTICATED_USER.has_role('a_member') or > AUTHENTICATED_USER.has_role('Manager')"> > > Any ideas what my problem could be? > > Thanks for any ideas > > Richard > > > _______________________________________________ > Zope maillist - Zope(a)zope.org > http://lists.zope.org/mailman/listinfo/zope > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope-dev ) >

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Re: [zope] Digest Number 1357
by Lee 07 Apr '01

07 Apr '01

Hi Henny, I've just finished my final year university project, which aimed to investigate the use of Zope in educational insitutions and create a useful product. I study at the University of Strathclyde (Glasgow, Scotland) and from what I gather, there are some people here that are quite keen to see Zope deployed. Info: http://www.cs.strath.ac.uk/~duncan/teaching/projects/zeus.html My project was called ZAPHOD and is primarily for maintaining class details & student attendance/academic records - but it has some other functionality too. One of my fellow students undertook a similar project, called ZEALOUS, which had similar goals but his product was a Web course development tool allowing lecturers to maintain a class Web page, and provide student with tailoired personal homepages. If you are looking for any more information feel free to ask. I'm pretty sure that my project supervisor, Duncan Smeed, would be quite entertaining if you had any questions relating to Zope's future at the University of Strathclyde. I know of two other major projects already fully(?) developed and employed in the UK. Here are some notes I took a while back (including some URLs and universities where Zope is used... -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ASPIRE [http://medico.uwcm.ac.uk/media/lt/projects/aspire/default.htm] ASPIRE is a Web-based authoring and tutorial environment, which is being developed at the University of Wales' College of Medicine by the Learning Technology section. It was originally developed using PHP3 and is now being migrated to Zope. ASPIRE provides a number of tools to facilitate Web page creation containing HTML, interactive questions, images, etc. These web pages will form the basis for an interactive quiz, where students will proceed through a sequence of pages containing multiple choice, or text entry questions. -+-+-+-+-+-+-+-+-+-+-+-+ NLE / TLTP3-86 [http://nle.ncl.ac.uk/nle] [http://www.nottingham.ac.uk/nle/about/] The TLTP3-86 project is being developed in collaboration with representatives from the Universities of Newcastle, Durham, Nottingham, Sheffield, and Northumbria. It aims to disseminate IT based approaches developed to facilitate and support the interactive learning of medical and health care science students based in sites remote from the university campuses The NLE is not a product but a process by which institutions can implement on-line learning support tools in their own context [NLE 1998]. The project is funded by the Teaching and Learning Technology Programme (TTLP) and is being developed as part of the TLTP3-86 project. NLE systems have 3 major components - Mediguides, Personal Academic Records (PARs) and SATURN. MediGuides - A MediGuide is a learning resource containing study guides, links to course material (e.g. Word documents), online multiple-choice questionnaires, timetable information and other forms of CAL (Computer-Aided Learning) resources. For every course taught there is a corresponding MediGuide. Personal Academic Record (PAR) - Personal Academic Records will improve student / teacher communication and will encourage students to monitor their academic progress. Each MediGuide will contain self-evaluation tests and a student / teachers email system to facilitate this. The student's assessment data will be stored in the PAR and made available for viewing by both the student and the teacher. SATURN - The SATURN system is responsible for storing the student's personal data, examination marks and any other relevant administrative data. The system will primarily be used by the faculty offices to distribute documents to the students throughout the course. Hope that help you out. If you've got any question on ZAPHOD or ZEALOUS I'd be happy to answer them. I can provide you with a few screen shots too if you wish. Is there anywhere I can read / see your system? I'm quite interested to see how it operates. Cheers, Lee -- Lee Reilly mailto:lee.reilly@ntlworld.com http://www.footkick.co.uk/lee Henny van der Linde wrote: > Hi, > > We (a smal group) have build a quite comprehensive (but still far from perfect in our opinion) Zope based system in wich teachers can offer websupport with their courses. It's a sort of content management system for teachers. Students can also deliver content. There are groupware fascilites and more. This is all realized in a rather large social sciences faculty within a dutch university. We have a relative large, happy, userbase but....... > > It has been quite a struggle. Not the development sec but 'selling' Zope as a platform and facing competitors in the ,so called weblearning world. Now we're facing a battle with Blackboard (I'm just recovering from an attack by some idiots who want to rebuild the whole thing with PHP, Dutch universities: never a dull moment.....). > > What realy would help us (in defending our system and Zope) is a list universities, schools etc. who are using Zope for educational/scientific/content management purposes. I'm monitoring/contributing to (not as much as some of you I'm afraid) this list and I noticed that quite some activity on the Zope front is happening in academic/scientefic/educational environments but I never kept any taps. > > So if you are using Zope in this sort of environment please let me know. You can mail me direct: linde(a)fsw.leidenuniv.nl. If I have a list I put it on Zope.org so that other people can use to defend their (potential) Zope efforts to decisionmakers, a sort of academic/educational showcase. > > Henny van der Linde > > [This message contained attachments]

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Site with theme [newbie]
by Philippe Jadin 07 Apr '01

07 Apr '01

[newbie] Hello, After a long search I didn't find the right way to do this : I have differents folders in my site, with subfolders, such as : /en /web /contact /links /info /fr /work /about /links All those folders have a file arbitrary called "content.txt". It's the textual content of each page. In the root there is a file called template.html which calls the file "content.txt". I also have one index_html which calls template.html. Because I didn't want to have my template in two separate files (header and footer). Now, I'd like to have differents themes for my site. Such as having : www.domain.com/theme1/en/web would display the content of "en/web" with the template.html file in theme1 www.domain.com/theme2/en/web would display the content of 'en/web" with the template.html file in theme2 But it doesn't work... There is something in acquisition that I don't understand. Either I get the content of my root folder (yes, this is a subsite in a subfolder), or I get the same content wherever I go. What should I put in each theme folder? Where should I put my index_html file? Is it a bad idea to get rid of standards footer and headers files and replacing them with template.html? Is there any other way to do this? A siteaccess rule? (if possible, I'd like to do this only by using a "feature" of acquisition...) I found no tutorial on this, so any pointer welcome ! Thank you Philippe Jadin P.S. the actual site is at : http://www.123piano.com:8080/

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iuveno Products Page - DBObjects, Proiektor and ZQuest - FIXED
by Stephan Richter 07 Apr '01

07 Apr '01

Okay, I think the old version of our CMS system did not like the new Zope too much. I have taken this demo out of the site (since it was not available in anyway) and ran 'wget' extensively (I started 100 threads running a recursive wget). If you still experience difficulties, please let me know. The Link again: http://demo.iuveno-net.de/ Regards, Stephan -- Stephan Richter CBU - Physics and Chemistry Student Web2k - Web Design/Development & Technical Project Management

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Problem with checking roles an authenticated user has
by Richard Ettema 07 Apr '01

07 Apr '01

Hi, I have a site which includes a members area. When a member logs in, extra features are made available on all pages compared to a non-member. The problem is that sometimes the authenticated_user test I use does not come back true once someone has logged in. This problem does not occur all the time or with any particular page. It is being very unpredictable! This is the dtml-if (placed in the standard_html_header) I use to check... <dtml-if "AUTHENTICATED_USER.has_role('a_member') or AUTHENTICATED_USER.has_role('Manager')"> Any ideas what my problem could be? Thanks for any ideas Richard

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RAD with 'mk-zprod'
by vio 07 Apr '01

07 Apr '01

This RAD tool for Zope looks very interesting. But I couldn't find any reference whatsoever regarding it on this list. Is anybody using it ?? Second question, same topic: could someone tell me WHERE exactly do I paste the make_action() code . The README file is not at all clear on this point, IMHO. Let's say I succesfully generated Zope code for a Product called "myProduct" and copied that directory to 'zope/lib/python/Products/myProduct'. Then I pasted the make_action() code from 'mk-prod/tmpl/example-code.txt' inside file "Products/myProduct./myProduct.py" (inside "class myProduct" source). Well, Zope restarts OK and I see my new Product in the "Add" list. But when I attempt to add a first myProduct object, Zope gives me "NameError: make_action". I interpret this error message as it didn't find make_action(). So, any idea in what file make_action() code must go ? Regards - Vio

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french article about Zope
by Jerome Alet 07 Apr '01

07 Apr '01

Hi, just to tell there's a short article about Zope on JournalduNet.com: http://solutions.journaldunet.com/0104/010403zope.shtml it's in french, but very positive, telling about the open nature of Zope, its capabilities to deal with other environments (webdav, xml-rpc...), its security model, etc... bye, Jerome Alet

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input images?
by Kai Hofmann 07 Apr '01

07 Apr '01

Hi, with ZOPE I can insert images via dtml-var image-object-name, but how to insert an image as: <input type=image src="..."> ??? Thanks in advance Kai Hofmann -- Institut für Seeverkehrswirtschaft und Logistik http://www.isl.org/ Dipl.-Inform. Kai Hofmann mailto:hofmann@isl.org Universitaetsallee GW1 Block A phone:+49 421 22096-83 D-28359 Bremen fax:+49 421 22096-55

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dtml-in --> sequence
by After Dark 07 Apr '01

07 Apr '01

Hi, I`m trying to delete some objects(folders/files), but I`m having some problems with sequence-... I`m trying to use manage_delObjects()... I made a list of sequence-item with a <dtml-in "Folder.objectValues()">, can I pass this list like an argument to manage_delObjects? Like <dtml-call "manage_delObjects(list)"> I think I a little confused with <sequence-..>, when I make a list like that (objectValues of a folder), do I have the object in <sequence-item>? If I make sequence-var-title, is it going to return the title? --> Because it`s giving error. Or I just have the id and I have to make _.getitem(sequence-item).title? I tryed to compare the sequence-item variable and returned error too... : <dtml-if "sequence-item=='test'"> By. ________________________________________________ Don't E-Mail, ZipMail! http://www.zipmail.com/

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RAD with 'mk-zprod'
by vio 07 Apr '01

07 Apr '01

This RAD tool for Zope looks very interesting. But I couldn't find any reference whatsoever regarding it on this list. Is anybody using it ?? Second question, same topic: could someone tell me WHERE exactly do I paste the make_action() code . The README file is not at all clear on this point, IMHO. Let's say I succesfully generated Zope code for a Product called "myProduct" and copied that directory to 'zope/lib/python/Products/myProduct'. Then I pasted the make_action() code from 'mk-prod/tmpl/example-code.txt' inside file "Products/myProduct./myProduct.py" (inside "class myProduct" source). Well, Zope restarts OK and I see my new Product in the "Add" list. But when I attempt to add a first myProduct object, Zope gives me "NameError: make_action". I interpret this error message as it didn't find make_action(). So, any idea in what file make_action() code must go ? Regards - Vio

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