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From: Mark T. <te...@ab...> - 2002-08-20 18:06:11
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> Dbengine-devel -- confirmation of subscription -- request 957638
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--
--------------------------------------------------
Mark Temple, Information Technology Manager
ABC Labs, Columbia, Missouri 65202
voice:573.876.8198 fax:573.443.9033
--------------------------------------------------
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From: William M. <wi...@kn...> - 2002-08-20 17:42:29
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On 20 Aug 2002 at 10:43, Mark Temple wrote: > Thank you for taking the time to work with us on this. Thanks for your interest! > That is great. We will use the latest code, make our changes, create > a diff throw it all together and send it to you. We are, however, > now working on some other things that will prevent us from working > on dbengine for a week or two. If it wasn't for this JOB we'd get > some real work done. ;-) Yeah, it's hard to find time to do the fun stuff <g>. Anyhow, send over your changes when you get them done and I'll check them on my server then add them to the CVS. Perhaps, I'll even get inspired to finish up my outstanding to-do items so that we can release version 2.0! Best wishes, William -- Lead Developer Knowmad Services Inc. || Internet Applications & Database Integration http://www.knowmad.com |
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From: Mark T. <te...@ab...> - 2002-08-20 15:43:36
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Thank you for taking the time to work with us on this. > On 16 Aug 2002 at 14:53, Mark Temple wrote: >> Since the user already has a session id, it is >> easy (from the web server side) to know who is requesting the >> page. > > I like the LDAP idea but think the solution will need to be based > in dbengine. The problem is that you need to know which runmode > or commands the user is allowed to perform. Only dbengine can > truly know if the user is allowed to access an operation by > checking their credentials before giving them access. One idea > would be to use LDAP to assign users to groups and then restrict > access to runmodes by user group. Groups are good. Barry suggested providing a configuration option of LDAP and/or dbengine specific control. In either case groups is a good way to go. We will work with than in mind. > > >> I really need to study the latest dbengine code base to see what >> options look the best. We will likely use PostgreSQL, but SQL >> side control may be more difficult while maintaining three >> different SQL server platforms. > > We hope not. Although I did the port to MySQL, I'm using > PostgreSQL myself these days (however not with dbengine yet). I'd > still like to be able to support multiple databases which simply > takes some forethought to determine when to call a method in one > of the database libraries. It's not always easy but should pay > off down the road. > Yes, broad support makes the app much more appealing. > > > Certainly the variable that are global need to be global. The > path >> information to the code base is an example of where global works >> well. However if the variable is going to change based on who is >> using the session, it needs to be private and local to that >> process. It will depend on how each variable is used. If the >> variable is >> initialize each time it is requested, there shouldn't be a >> problem as a handler. > > Ingo had suggested passing a hash around the subroutines. That may > be a workable solution until we can massage the code into an OO > format. I agree with Ingo. I will put an assoc array to hold the variables and data. > > >> Our changes are just experimental right now. I will work with >> the newest code. Do you want me to just download the latest >> code, work on it, give it to you for review and uploading? Or do >> you want us to work as developers? I don't care. > > For now, I think it would be best for you to send your updates to > me for review and I can submit them to CVS. Have you tried to > roll your changes into the latest CVS scripts? How's it going? > That is great. We will use the latest code, make our changes, create a diff throw it all together and send it to you. We are, however, now working on some other things that will prevent us from working on dbengine for a week or two. If it wasn't for this JOB we'd get some real work done. ;-) > >> I don't know what MVC is. Templates are the way to go. > > Model-View-Control design pattern. It's been heavily discussed in > the mod_perl mailing list lately (esp. June). > <http://mathforum.org/epigone/modperl?in=early&from=2002-06-01&to=2002-06- > 31> > > Also check out this url which references Smalltalk but has the > basic concepts of MVC: > <http://st-www.cs.uiuc.edu/users/smarch/st-docs/mvc.html> > If you're using templates, you're probably halfway there without > knowing it. > > >> So are you still using the create,test,install found in >> Makefile.PL? > > Yes, make simply calls the makefile.pl file with the appropriate > parameters. > > > Best wishes, > William > > PS- The mailing list is active now and I've sent this email to it > so we can begin to archive our discussions. > -- > Lead Developer > Knowmad Services Inc. || Internet Applications & Database > Integration http://www.knowmad.com > Thanks again for your help. -- -------------------------------------------------- Mark Temple, Information Technology Manager ABC Labs, Columbia, Missouri 65202 voice:573.876.8198 fax:573.443.9033 -------------------------------------------------- |
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From: William M. <wi...@kn...> - 2002-08-20 13:36:04
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On 16 Aug 2002 at 14:53, Mark Temple wrote: > Since the user already has a session id, it is > easy (from the web server side) to know who is requesting the page. I like the LDAP idea but think the solution will need to be based in dbengine. The problem is that you need to know which runmode or commands the user is allowed to perform. Only dbengine can truly know if the user is allowed to access an operation by checking their credentials before giving them access. One idea would be to use LDAP to assign users to groups and then restrict access to runmodes by user group. > I really need to study the latest dbengine code base to see what > options look the best. We will likely use PostgreSQL, but SQL side > control may be more difficult while maintaining three different SQL > server platforms. We hope not. Although I did the port to MySQL, I'm using PostgreSQL myself these days (however not with dbengine yet). I'd still like to be able to support multiple databases which simply takes some forethought to determine when to call a method in one of the database libraries. It's not always easy but should pay off down the road. > Certainly the variable that are global need to be global. The path > information to the code base is an example of where global works > well. However if the variable is going to change based on who is > using the session, it needs to be private and local to that process. > It will depend on how each variable is used. If the variable is > initialize each time it is requested, there shouldn't be a problem > as a handler. Ingo had suggested passing a hash around the subroutines. That may be a workable solution until we can massage the code into an OO format. > Our changes are just experimental right now. I will work with the > newest code. Do you want me to just download the latest code, work > on it, give it to you for review and uploading? Or do you want us to > work as developers? I don't care. For now, I think it would be best for you to send your updates to me for review and I can submit them to CVS. Have you tried to roll your changes into the latest CVS scripts? How's it going? > I don't know what MVC is. Templates are the way to go. Model-View-Control design pattern. It's been heavily discussed in the mod_perl mailing list lately (esp. June). <http://mathforum.org/epigone/modperl?in=early&from=2002-06-01&to=2002-06- 31> Also check out this url which references Smalltalk but has the basic concepts of MVC: <http://st-www.cs.uiuc.edu/users/smarch/st-docs/mvc.html> If you're using templates, you're probably halfway there without knowing it. > So are you still using the create,test,install found in Makefile.PL? Yes, make simply calls the makefile.pl file with the appropriate parameters. Best wishes, William PS- The mailing list is active now and I've sent this email to it so we can begin to archive our discussions. -- Lead Developer Knowmad Services Inc. || Internet Applications & Database Integration http://www.knowmad.com |
