This isn't a very tough problem, it always has three parts: 1. authenticate the user 2. authorization that the user has access to the resource 3. if all is well, stream the resource to the client, otherwise blow up
The trick comes in #2 with what qualifies as authorization, and that will vary in different circumstances. Sometimes you just want to associate the user with an order, or with a content resource through an order, or with... -David On May 19, 2011, at 11:11 AM, MelonJaya wrote: > Hi Guido, > > I am facing the same issue too, and thinking about writing custom service or > modified the current one. > anybody has same issue could help us or give opinion maybe? > > best regards, > Johnson Chandra > > > On Tue, May 17, 2011 at 5:42 PM, Esch, Guido > <guido.e...@direkt-gruppe.de>wrote: > >> not exactly. The requirement might differ on the different types of >> content. For digital download content, you are right. For all other content >> types it should be accessible for anyone. (e.g. the standard fancy flash >> banner, every shop needs) >> >> >> >> >> >> Am 17.05.2011 um 07:03 schrieb Hans Bakker: >> >> If you make sure the link can only be accessed by loggedin users, and >> the download is linked to an completed order, security should be fine? >> >> On Mon, 2011-05-16 at 14:04 +0000, Esch, Guido wrote: >> Hi all, >> >> >> currently i'm struggling with the handling of digital download products. >> (Version is 1057550 but would guess we will merge to current trunk very soon >> again) The "normal" handling works fine. Configuring the product, adding the >> content, buying, download using the "downloadDigitalProduct" method works as >> intended. >> But in my system the contend is accessible using the "stream" url. (e.g. >> /content/control/stream?contentId=12231) So if somebody knows ofbiz he might >> get access to all downloads by simply guessing the content ids. There seems >> be a way using a custom genericContentPermission Service. But to be honest, >> for something like digital downloads i would guess there is a standard >> mechanism like the one in downloadDigitalProducts which protects this files >> in general, without writing a custom permission service. (which i haven't >> discovered yet) But if its required to write a new one, are there any >> suggestions to get this working an efficient way? I'm thinking of checking >> the ProductContentType to make sure the digital downloads are not served >> using the stream. But that sounds not very efficient to me. And it also >> leads to some leaks as soon as the configuration gets inconsistent. (For >> some reason the ProductContent is removed, but not the Content and Resource >> entity.) Not more secure but although even slower, checking the >> OrderRoleAndProductContentInfo to make the user has the permission to get >> this content, but even than, i have to ensure its a digital download >> content. My last idea, adding a custom attribute to the content when >> creating (uploading the file) the content. But that feels like a quick fix >> to me. Therefore i'm open to any suggestions. >> >> Best Regards, >> >> Guido Esch >> >> direkt gruppe >> >> networks direkt GmbH >> Griegstraße 75, Haus 2 >> 22763 Hamburg >> Fon: +49 (40) 88155-0 >> Fax: +49 (40) 88155-5200 >> >> mailto:guido.e...@direkt-gruppe.de >> www.direkt-gruppe.de<http://www.direkt-gruppe.de> >> >> >> >> >> >> >> >> >> >> >> ________________________________ >> >> Rechtliche Hinweise: >> >> networks direkt Gesellschaft fuer Informationstechnologie mbH * >> Geschaeftsfuehrer * Dipl.-Inform. (FH) Gerald Jenner * Dipl.-Ing. (FH) Kai >> Petersen * Dipl.-Inform. (FH) Nils Schultz * Sitz Hamburg * AG Hamburg HRB >> 83072 * USt-IdNr. DE812564499 >> >> solutions direkt Gesellschaft fuer Loesungsentwicklung mbH * >> Geschaeftsfuehrer * Dipl.-Inform. Markus Breilmann * Dipl.-Inform. (FH) Nils >> Schultz * Sitz Hamburg * AG Hamburg HRB 83605 * USt-IdNr. DE813614829 >> >> marketing solutions direkt Gesellschaft fuer innovatives Marketing mbH * >> Geschaeftsfuehrer * Karsten Kirsch * Kai Jasper Meifort * Sven Severin * >> Sitz Hamburg * AG Hamburg HRB 104217 * USt-IdNr. DE814956207 >> >> Anschrift * Griegstrasse 75, Haus 2 * 22763 Hamburg >> >> Diese elektronische Nachricht enthaelt vertrauliche Informationen, die nur >> fuer die im Text bezeichneten Personen bestimmt sind. Die Nachricht ist >> durch das Briefgeheimnis geschuetzt und unterliegt gegebenenfalls den Regeln >> zum Schutz der Vertraulichkeit. Jede Benutzung, Versendung, Herstellung von >> Kopien oder Veroeffentlichung durch andere Personen ist ohne Zustimmung des >> Absenders untersagt. Wenn Sie diese Nachricht irrtuemlich erhalten haben, >> bitten wir Sie hoeflichst, sie auf Ihren Systemen zu loeschen und den >> Absender umgehend zu benachrichtigen. >> >> This electronic mail transmission contains confidential information >> intended only for the person(s) named. It is subject to the laws of mail >> secrecy and may be protected by legal privileges. Any use, distribution, >> copying or disclosure by another person is strictly prohibited without the >> consent of the sender. If this transmission has been received in error, you >> are kindly requested to delete it from your system and to contact the sender >> immediately. >> >> -- >> Ofbiz on twitter: http://twitter.com/apache_ofbiz >> Myself on twitter: http://twitter.com/hansbak >> Antwebsystems.com<http://Antwebsystems.com>: Quality services for >> competitive rates. >> >> >> Mit freundlichem Gruß >> Guido Esch >> >> direkt gruppe >> >> networks direkt GmbH >> Griegstraße 75, Haus 2 >> 22763 Hamburg >> Fon: +49 (40) 88155-0 >> Fax: +49 (40) 88155-5200 >> >> mailto:guido.e...@direkt-gruppe.de >> www.direkt-gruppe.de >> >> >> >> >> >> >> >> >> >> >> ________________________________ >> >> Rechtliche Hinweise: >> >> networks direkt Gesellschaft fuer Informationstechnologie mbH * >> Geschaeftsfuehrer * Dipl.-Inform. (FH) Gerald Jenner * Dipl.-Ing. (FH) Kai >> Petersen * Dipl.-Inform. (FH) Nils Schultz * Sitz Hamburg * AG Hamburg HRB >> 83072 * USt-IdNr. DE812564499 >> >> solutions direkt Gesellschaft fuer Loesungsentwicklung mbH * >> Geschaeftsfuehrer * Dipl.-Inform. Markus Breilmann * Dipl.-Inform. (FH) Nils >> Schultz * Sitz Hamburg * AG Hamburg HRB 83605 * USt-IdNr. DE813614829 >> >> marketing solutions direkt Gesellschaft fuer innovatives Marketing mbH * >> Geschaeftsfuehrer * Karsten Kirsch * Kai Jasper Meifort * Sven Severin * >> Sitz Hamburg * AG Hamburg HRB 104217 * USt-IdNr. DE814956207 >> >> Anschrift * Griegstrasse 75, Haus 2 * 22763 Hamburg >> >> Diese elektronische Nachricht enthaelt vertrauliche Informationen, die nur >> fuer die im Text bezeichneten Personen bestimmt sind. Die Nachricht ist >> durch das Briefgeheimnis geschuetzt und unterliegt gegebenenfalls den Regeln >> zum Schutz der Vertraulichkeit. Jede Benutzung, Versendung, Herstellung von >> Kopien oder Veroeffentlichung durch andere Personen ist ohne Zustimmung des >> Absenders untersagt. Wenn Sie diese Nachricht irrtuemlich erhalten haben, >> bitten wir Sie hoeflichst, sie auf Ihren Systemen zu loeschen und den >> Absender umgehend zu benachrichtigen. >> >> This electronic mail transmission contains confidential information >> intended only for the person(s) named. It is subject to the laws of mail >> secrecy and may be protected by legal privileges. Any use, distribution, >> copying or disclosure by another person is strictly prohibited without the >> consent of the sender. If this transmission has been received in error, you >> are kindly requested to delete it from your system and to contact the sender >> immediately. >>
