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diff --git a/changelog.d/ldap-tls.fix b/changelog.d/ldap-tls.fix
new file mode 100644
index 000000000..b15137d77
--- /dev/null
+++ b/changelog.d/ldap-tls.fix
@@ -0,0 +1 @@
+STARTTLS certificate and hostname verification for LDAP authentication
diff --git a/lib/pleroma/web/auth/ldap_authenticator.ex b/lib/pleroma/web/auth/ldap_authenticator.ex
index ea5620cf6..d31f34747 100644
--- a/lib/pleroma/web/auth/ldap_authenticator.ex
+++ b/lib/pleroma/web/auth/ldap_authenticator.ex
@@ -1,140 +1,150 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Auth.LDAPAuthenticator do
alias Pleroma.User
require Logger
import Pleroma.Web.Auth.Helpers, only: [fetch_credentials: 1, fetch_user: 1]
@behaviour Pleroma.Web.Auth.Authenticator
@base Pleroma.Web.Auth.PleromaAuthenticator
@connection_timeout 10_000
@search_timeout 10_000
defdelegate get_registration(conn), to: @base
defdelegate create_from_registration(conn, registration), to: @base
defdelegate handle_error(conn, error), to: @base
defdelegate auth_template, to: @base
defdelegate oauth_consumer_template, to: @base
def get_user(%Plug.Conn{} = conn) do
with {:ldap, true} <- {:ldap, Pleroma.Config.get([:ldap, :enabled])},
{:ok, {name, password}} <- fetch_credentials(conn),
%User{} = user <- ldap_user(name, password) do
{:ok, user}
else
{:ldap, _} ->
@base.get_user(conn)
error ->
error
end
end
defp ldap_user(name, password) do
ldap = Pleroma.Config.get(:ldap, [])
host = Keyword.get(ldap, :host, "localhost")
port = Keyword.get(ldap, :port, 389)
ssl = Keyword.get(ldap, :ssl, false)
sslopts = Keyword.get(ldap, :sslopts, [])
+ tlsopts = Keyword.get(ldap, :tlsopts, [])
options =
[{:port, port}, {:ssl, ssl}, {:timeout, @connection_timeout}] ++
if sslopts != [], do: [{:sslopts, sslopts}], else: []
case :eldap.open([to_charlist(host)], options) do
{:ok, connection} ->
try do
if Keyword.get(ldap, :tls, false) do
:application.ensure_all_started(:ssl)
case :eldap.start_tls(
connection,
- Keyword.get(ldap, :tlsopts, []),
+ Keyword.merge(
+ [
+ verify: :verify_peer,
+ cacerts: :certifi.cacerts(),
+ customize_hostname_check: [
+ fqdn_fun: fn _ -> to_charlist(host) end
+ ]
+ ],
+ tlsopts
+ ),
@connection_timeout
) do
:ok ->
:ok
error ->
Logger.error("Could not start TLS: #{inspect(error)}")
end
end
bind_user(connection, ldap, name, password)
after
:eldap.close(connection)
end
{:error, error} ->
Logger.error("Could not open LDAP connection: #{inspect(error)}")
{:error, {:ldap_connection_error, error}}
end
end
defp bind_user(connection, ldap, name, password) do
uid = Keyword.get(ldap, :uid, "cn")
base = Keyword.get(ldap, :base)
case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
:ok ->
case fetch_user(name) do
%User{} = user ->
user
_ ->
register_user(connection, base, uid, name)
end
error ->
Logger.error("Could not bind LDAP user #{name}: #{inspect(error)}")
{:error, {:ldap_bind_error, error}}
end
end
defp register_user(connection, base, uid, name) do
case :eldap.search(connection, [
{:base, to_charlist(base)},
{:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))},
{:scope, :eldap.wholeSubtree()},
{:timeout, @search_timeout}
]) do
# The :eldap_search_result record structure changed in OTP 24.3 and added a controls field
# https://github.com/erlang/otp/pull/5538
{:ok, {:eldap_search_result, [{:eldap_entry, _object, attributes}], _referrals}} ->
try_register(name, attributes)
{:ok, {:eldap_search_result, [{:eldap_entry, _object, attributes}], _referrals, _controls}} ->
try_register(name, attributes)
error ->
Logger.error("Couldn't register user because LDAP search failed: #{inspect(error)}")
{:error, {:ldap_search_error, error}}
end
end
defp try_register(name, attributes) do
params = %{
name: name,
nickname: name,
password: nil
}
params =
case List.keyfind(attributes, ~c"mail", 0) do
{_, [mail]} -> Map.put_new(params, :email, :erlang.list_to_binary(mail))
_ -> params
end
changeset = User.register_changeset_ldap(%User{}, params)
case User.register(changeset) do
{:ok, user} -> user
error -> error
end
end
end
diff --git a/mix.exs b/mix.exs
index 0d49a6b45..9a261547f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,371 +1,372 @@
defmodule Pleroma.Mixfile do
use Mix.Project
def project do
[
app: :pleroma,
version: version("2.7.0"),
elixir: "~> 1.13",
elixirc_paths: elixirc_paths(Mix.env()),
compilers: Mix.compilers(),
elixirc_options: [warnings_as_errors: warnings_as_errors(), prune_code_paths: false],
xref: [exclude: [:eldap]],
dialyzer: [plt_add_apps: [:mix, :eldap]],
start_permanent: Mix.env() == :prod,
aliases: aliases(),
deps: deps(),
test_coverage: [tool: :covertool, summary: true],
# Docs
name: "Pleroma",
homepage_url: "https://pleroma.social/",
source_url: "https://git.pleroma.social/pleroma/pleroma",
docs: [
source_url_pattern:
"https://git.pleroma.social/pleroma/pleroma/blob/develop/%{path}#L%{line}",
logo: "priv/static/images/logo.png",
extras: ["README.md", "CHANGELOG.md"] ++ Path.wildcard("docs/**/*.md"),
groups_for_extras: [
"Installation manuals": Path.wildcard("docs/installation/*.md"),
Configuration: Path.wildcard("docs/config/*.md"),
Administration: Path.wildcard("docs/admin/*.md"),
"Pleroma's APIs and Mastodon API extensions": Path.wildcard("docs/api/*.md")
],
main: "readme",
output: "priv/static/doc"
],
releases: [
pleroma: [
include_executables_for: [:unix],
applications: [ex_syslogger: :load, syslog: :load, eldap: :transient],
steps: [:assemble, &put_otp_version/1, &copy_files/1, &copy_nginx_config/1],
config_providers: [{Pleroma.Config.ReleaseRuntimeProvider, []}]
]
]
]
end
def put_otp_version(%{path: target_path} = release) do
File.write!(
Path.join([target_path, "OTP_VERSION"]),
Pleroma.OTPVersion.version()
)
release
end
def copy_files(%{path: target_path} = release) do
File.cp_r!("./rel/files", target_path)
release
end
def copy_nginx_config(%{path: target_path} = release) do
File.cp!(
"./installation/pleroma.nginx",
Path.join([target_path, "installation", "pleroma.nginx"])
)
release
end
# Configuration for the OTP application.
#
# Type `mix help compile.app` for more information.
def application do
[
mod: {Pleroma.Application, []},
extra_applications:
[
:logger,
:runtime_tools,
:comeonin,
:fast_sanitize,
:os_mon,
:ssl,
:eldap
] ++ logger_application(),
included_applications: [:ex_syslogger]
]
end
# Specifies which paths to compile per environment.
defp elixirc_paths(:benchmark), do: ["lib", "benchmarks", "priv/scrubbers"]
defp elixirc_paths(:test), do: ["lib", "test/support"]
defp elixirc_paths(_), do: ["lib"]
defp warnings_as_errors, do: System.get_env("CI") == "true"
# Specifies OAuth dependencies.
defp oauth_deps do
oauth_strategy_packages =
System.get_env("OAUTH_CONSUMER_STRATEGIES")
|> to_string()
|> String.split()
|> Enum.map(fn strategy_entry ->
with [_strategy, dependency] <- String.split(strategy_entry, ":") do
dependency
else
[strategy] -> "ueberauth_#{strategy}"
end
end)
for s <- oauth_strategy_packages, do: {String.to_atom(s), ">= 0.0.0"}
end
defp logger_application do
if Version.match?(System.version(), "<1.15.0-rc.0") do
[]
else
[:logger_backends]
end
end
defp logger_deps do
if Version.match?(System.version(), "<1.15.0-rc.0") do
[]
else
[{:logger_backends, "~> 1.0"}]
end
end
# Specifies your project dependencies.
#
# Type `mix help deps` for examples and options.
defp deps do
[
{:phoenix, "~> 1.7.3"},
{:phoenix_ecto, "~> 4.4"},
{:ecto_sql, "~> 3.10"},
{:ecto_enum, "~> 1.4"},
{:postgrex, ">= 0.0.0"},
{:phoenix_html, "~> 3.3"},
{:phoenix_live_view, "~> 0.19.0"},
{:phoenix_live_dashboard, "~> 0.8.0"},
{:telemetry_metrics, "~> 0.6"},
{:telemetry_poller, "~> 1.0"},
{:tzdata, "~> 1.0.3"},
{:plug_cowboy, "~> 2.5"},
{:oban, "~> 2.18.0"},
{:gettext, "~> 0.20"},
{:bcrypt_elixir, "~> 2.2"},
{:trailing_format_plug, "~> 0.0.7"},
{:fast_sanitize, "~> 0.2.0"},
{:html_entities, "~> 0.5", override: true},
{:calendar, "~> 1.0"},
{:cachex, "~> 3.2"},
{:tesla, "~> 1.11"},
{:castore, "~> 0.1"},
{:cowlib, "~> 2.9", override: true},
{:gun, "~> 2.0.0-rc.1", override: true},
{:finch, "~> 0.15"},
{:jason, "~> 1.2"},
{:mogrify, "~> 0.9.0", override: "true"},
{:ex_aws, "~> 2.1.6"},
{:ex_aws_s3, "~> 2.0"},
{:sweet_xml, "~> 0.7.2"},
{:earmark, "1.4.46"},
{:bbcode_pleroma, "~> 0.2.0"},
{:cors_plug, "~> 2.0"},
{:web_push_encryption, "~> 0.3.1"},
{:swoosh, "~> 1.16.9"},
{:phoenix_swoosh, "~> 1.1"},
{:gen_smtp, "~> 0.13"},
{:ex_syslogger, "~> 1.4"},
{:floki, "~> 0.35"},
{:timex, "~> 3.6"},
{:ueberauth, "~> 0.4"},
{:linkify, "~> 0.5.3"},
{:http_signatures, "~> 0.1.2"},
{:telemetry, "~> 1.0.0", override: true},
{:poolboy, "~> 1.5"},
{:prom_ex, "~> 1.9"},
{:recon, "~> 2.5"},
{:joken, "~> 2.0"},
{:pot, "~> 1.0"},
{:ex_const, "~> 0.2"},
{:plug_static_index_html, "~> 1.0.0"},
{:flake_id, "~> 0.1.0"},
{:concurrent_limiter, "~> 0.1.1"},
{:remote_ip,
git: "https://git.pleroma.social/pleroma/remote_ip.git",
ref: "b647d0deecaa3acb140854fe4bda5b7e1dc6d1c8"},
{:captcha,
git: "https://git.pleroma.social/pleroma/elixir-libraries/elixir-captcha.git",
ref: "6630c42aaaab124e697b4e513190c89d8b64e410"},
{:restarter, path: "./restarter"},
{:majic, "~> 1.0"},
{:open_api_spex, "~> 3.16"},
{:ecto_psql_extras, "~> 0.6"},
{:vix, "~> 0.26.0"},
{:elixir_make, "~> 0.7.7", override: true},
{:blurhash, "~> 0.1.0", hex: :rinpatch_blurhash},
{:exile, "~> 0.10.0"},
{:bandit, "~> 1.5.2"},
{:websock_adapter, "~> 0.5.6"},
{:oban_live_dashboard, "~> 0.1.1"},
{:multipart, "~> 0.4.0", optional: true},
{:argon2_elixir, "~> 4.0"},
+ {:certifi, "~> 2.12"},
## dev & test
{:phoenix_live_reload, "~> 1.3.3", only: :dev},
{:poison, "~> 3.0", only: :test},
{:ex_doc, "~> 0.22", only: :dev, runtime: false},
{:ex_machina, "~> 2.4", only: :test},
{:credo, "~> 1.6", only: [:dev, :test], runtime: false},
{:mock, "~> 0.3.5", only: :test},
{:covertool, "~> 2.0", only: :test},
{:hackney, "~> 1.18.0", override: true},
{:mox, "~> 1.0", only: :test},
{:websockex, "~> 0.4.3", only: :test},
{:benchee, "~> 1.0", only: :benchmark},
{:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
] ++ oauth_deps() ++ logger_deps()
end
# Aliases are shortcuts or tasks specific to the current project.
# For example, to create, migrate and run the seeds file at once:
#
# $ mix ecto.setup
#
# See the documentation for `Mix` for more info on aliases.
defp aliases do
[
"ecto.migrate": ["pleroma.ecto.migrate"],
"ecto.rollback": ["pleroma.ecto.rollback"],
"ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
"ecto.reset": ["ecto.drop", "ecto.setup"],
test: ["ecto.create --quiet", "ecto.migrate", "test"],
docs: ["pleroma.docs", "docs"],
analyze: ["credo --strict --only=warnings,todo,fixme,consistency,readability"],
copyright: &add_copyright/1,
"copyright.bump": &bump_copyright/1
]
end
# Builds a version string made of:
# * the application version
# * a pre-release if ahead of the tag: the describe string (-count-commithash)
# * branch name
# * build metadata:
# * a build name if `PLEROMA_BUILD_NAME` or `:pleroma, :build_name` is defined
# * the mix environment if different than prod
defp version(version) do
identifier_filter = ~r/[^0-9a-z\-]+/i
git_available? = match?({_output, 0}, System.cmd("sh", ["-c", "command -v git"]))
dotgit_present? = File.exists?(".git")
git_pre_release =
if git_available? and dotgit_present? do
{tag, tag_err} =
System.cmd("git", ["describe", "--tags", "--abbrev=0"], stderr_to_stdout: true)
{describe, describe_err} = System.cmd("git", ["describe", "--tags", "--abbrev=8"])
{commit_hash, commit_hash_err} = System.cmd("git", ["rev-parse", "--short", "HEAD"])
# Pre-release version, denoted from patch version with a hyphen
cond do
tag_err == 0 and describe_err == 0 ->
describe
|> String.trim()
|> String.replace(String.trim(tag), "")
|> String.trim_leading("-")
|> String.trim()
commit_hash_err == 0 ->
"0-g" <> String.trim(commit_hash)
true ->
nil
end
end
# Branch name as pre-release version component, denoted with a dot
branch_name =
with true <- git_available?,
true <- dotgit_present?,
{branch_name, 0} <- System.cmd("git", ["rev-parse", "--abbrev-ref", "HEAD"]),
branch_name <- String.trim(branch_name),
branch_name <- System.get_env("PLEROMA_BUILD_BRANCH") || branch_name,
true <-
!Enum.any?(["master", "HEAD", "release/", "stable"], fn name ->
String.starts_with?(name, branch_name)
end) do
branch_name =
branch_name
|> String.trim()
|> String.replace(identifier_filter, "-")
branch_name
else
_ -> ""
end
build_name =
cond do
name = Application.get_env(:pleroma, :build_name) -> name
name = System.get_env("PLEROMA_BUILD_NAME") -> name
true -> nil
end
env_name = if Mix.env() != :prod, do: to_string(Mix.env())
env_override = System.get_env("PLEROMA_BUILD_ENV")
env_name =
case env_override do
nil -> env_name
env_override when env_override in ["", "prod"] -> nil
env_override -> env_override
end
# Pre-release version, denoted by appending a hyphen
# and a series of dot separated identifiers
pre_release =
[git_pre_release, branch_name]
|> Enum.filter(fn string -> string && string != "" end)
|> Enum.join(".")
|> (fn
"" -> nil
string -> "-" <> String.replace(string, identifier_filter, "-")
end).()
# Build metadata, denoted with a plus sign
build_metadata =
[build_name, env_name]
|> Enum.filter(fn string -> string && string != "" end)
|> Enum.join(".")
|> (fn
"" -> nil
string -> "+" <> String.replace(string, identifier_filter, "-")
end).()
[version, pre_release, build_metadata]
|> Enum.filter(fn string -> string && string != "" end)
|> Enum.join()
end
defp add_copyright(_) do
year = NaiveDateTime.utc_now().year
template = ~s[\
# Pleroma: A lightweight social networking server
# Copyright © 2017-#{year} Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
] |> String.replace("\n", "\\n")
find = "find lib test priv -type f \\( -name '*.ex' -or -name '*.exs' \\) -exec "
grep = "grep -L '# Copyright © [0-9\-]* Pleroma' {} \\;"
xargs = "xargs -n1 sed -i'' '1s;^;#{template};'"
:os.cmd(String.to_charlist("#{find}#{grep} | #{xargs}"))
end
defp bump_copyright(_) do
year = NaiveDateTime.utc_now().year
find = "find lib test priv -type f \\( -name '*.ex' -or -name '*.exs' \\)"
xargs =
"xargs sed -i'' 's;# Copyright © [0-9\-]* Pleroma.*$;# Copyright © 2017-#{year} Pleroma Authors <https://pleroma.social/>;'"
:os.cmd(String.to_charlist("#{find} | #{xargs}"))
end
end

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