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[config.pm, utils.pm, pmgqm.pm, httpserver.pm, html.tt, pmgproxy.pm, quarantine.pm] Subject: Re: [pmg-devel] [PATCH pmg-api/gui] add quarantine self service button X-BeenThere: pmg-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Mail Gateway development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Nov 2020 15:30:01 -0000 On 17.11.20 15:57, Dominik Csapak wrote: > adds an option/api call to request an quarantine link for an > email whose domain is in the relay domains >=20 > for now, we do not expose that option to the ui, but this can easily be= > added if wanted >=20 > NOTES on security: >=20 > this adds a world reachable api call, that can potentially send e-mails= > to users that belong to a relay domain >=20 > this is ok, since anybody can already send e-mails to the users > via normal smtp, and since the content of the e-mail cannot be > controlled, the only thing a potential attacker can do is a dos attack > (which can always be done via resource exhaustion, e.g. send a lot of m= ail) But, isn't the difference that here the server does it for me, no greylisting or similar involved? Also possible lower payload required vs. doing the SMTP myself. >=20 > we could add more checks to make it more secure, but not so convenient:= why not rate limit it to three per day or so? not convenience reducing, we would need to safe the usage count somewhere though. > * add an option for a admin-settable shared secret that users must ente= r > (makes it harder for the user to self-service, since the user has to > know the secret) > * only allow it from 'trusted networks' (this makes probably no sense) > * add an option to allow it from a specific subnet (similar to above, > but seperate from mail flow, which could make sense, but is also > not as convenient) >=20 > for now all text is hardcoded, templates could be used later on > (if users want that) >=20 > also i am open for alternate wordings for all texts, i basically chose > what came to mind first... >=20 > changes from v1: > * move config to 'spamquar' section > * show button also on admin interface >=20 > pmg-api: >=20 > Dominik Csapak (3): > refactor domain_regex to Utils > add 'quarantinelink' to spamquar config > api2/quarantine: add global sendlink api call >=20 > src/PMG/API2/Quarantine.pm | 87 +++++++++++++++++++++++++++++++++++++= > src/PMG/CLI/pmgqm.pm | 29 +------------ > src/PMG/Config.pm | 6 +++ > src/PMG/HTTPServer.pm | 1 + > src/PMG/Service/pmgproxy.pm | 4 ++ > src/PMG/Utils.pm | 26 +++++++++++ > 6 files changed, 126 insertions(+), 27 deletions(-) >=20 > pmg-gui: >=20 > Dominik Csapak (1): > add 'Request Quarantine Link' Button to LoginView >=20 > js/LoginView.js | 31 +++++++++++++++++++++++++++++++ > pmg-index.html.tt | 3 ++- > 2 files changed, 33 insertions(+), 1 deletion(-) >=20