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Avoid registration spam #40

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merged 2 commits into from
Dec 12, 2024
Merged

Avoid registration spam #40

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14a75a5
Upgrade dependencies.
s-ludwig Dec 12, 2024
4442b90
Avoid form spam for the registration form.
s-ludwig Dec 12, 2024
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20 changes: 10 additions & 10 deletions dub.selections.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3,23 +3,23 @@
"versions": {
"botan": "1.12.18",
"botan-math": "1.0.3",
"diet-ng": "1.8.1",
"eventcore": "0.9.30",
"diet-ng": "1.8.2",
"eventcore": "0.9.35",
"libasync": "0.8.6",
"libevent": "2.0.2+2.0.16",
"memutils": "1.0.10",
"mir-linux-kernel": "1.0.1",
"openssl": "3.3.3",
"mir-linux-kernel": "1.2.1",
"openssl": "3.3.4",
"openssl-static": "1.0.5+3.0.8",
"silly": "1.1.1",
"stdx-allocator": "2.77.5",
"taggedalgebraic": "0.11.23",
"vibe-container": "1.3.1",
"vibe-core": "2.8.4",
"vibe-d": "0.10.0",
"vibe-http": "1.1.0",
"vibe-inet": "1.0.0",
"vibe-serialization": "1.0.3",
"vibe-stream": "1.1.0"
"vibe-core": "2.9.6",
"vibe-d": "0.10.1",
"vibe-http": "1.1.2",
"vibe-inet": "1.0.1",
"vibe-serialization": "1.0.6",
"vibe-stream": "1.1.1"
}
}
21 changes: 19 additions & 2 deletions source/userman/web.d
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Expand Up @@ -262,13 +262,24 @@ class UserManWebInterface {
SessionVar!(string, "userFullName") m_sessUserFullName;
SessionVar!(string, "userID") m_sessUserID;
UserManAPISettings m_settings;
size_t m_postEpoch;
}

this(UserManAPI api, string prefix = "/")
{
import core.time : hours;
import std.random : unpredictableSeed;
import vibe.core.core : setTimer;

m_api = api;
m_settings = api.settings;
m_prefix = prefix;

// Invalidates pending forms every 2 to 4 hours, just making sure it
// always starts with a random number, no need to be cryptographically
// secure, this is just to make it a little more difficult for spammers
m_postEpoch = unpredictableSeed();
setTimer(2.hours, { m_postEpoch++; }, true);
}

deprecated this(UserManController controller, string prefix = "/")
Expand Down Expand Up @@ -319,12 +330,15 @@ class UserManWebInterface {
{
string error = _error;
auto settings = m_settings;
render!("userman.register.dt", error, settings);
auto postEpoch = m_postEpoch;
render!("userman.register.dt", error, settings, postEpoch);
}

@noAuth @errorDisplay!getRegister
void postRegister(ValidEmail email, Nullable!string name, string fullName, ValidPassword password, Confirm!"password" passwordConfirmation)
void postRegister(ValidEmail email, Nullable!string name, string fullName, ValidPassword password, Confirm!"password" passwordConfirmation, string check)
{
import std.conv : to;

string username;
if (m_settings.useUserNames) {
enforce(!name.isNull, "Missing user name field.");
Expand All @@ -335,6 +349,9 @@ class UserManWebInterface {
username = name.get;
} else username = email;

if (check != "a3fb"~m_postEpoch.to!string && check != "a3fb"~(m_postEpoch-1).to!string)
throw new Exception("Form expired");

m_api.users.register(email, username, fullName, password);

if (m_settings.requireActivation) {
Expand Down
5 changes: 4 additions & 1 deletion views/userman.register.dt
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Expand Up @@ -35,4 +35,7 @@ block userman.content
label(for="passwordConfirmation") Password confirmation:
td
input(type="password", name="passwordConfirmation")
button(type="submit") Register account
input#fc(type="hidden", name="check", value="3fb")
button(type="submit") Register account

script var fc=document.getElementById("fc");fc.setAttribute("value","a"+fc.getAttribute("value")+"#{postEpoch}");
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