mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-22 17:28:25 +01:00
Implement reload/3 for mod_http_upload
This commit is contained in:
Evgeny Khramtsov
parent
11d519677e
commit
934392fd7e
@ -56,7 +56,7 @@
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-callback start(binary(), opts()) -> ok | {ok, pid()} | {error, term()}.
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-callback stop(binary()) -> any().
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-callback reload(binary(), opts(), opts()) -> ok | {ok, pid()}.
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-callback reload(binary(), opts(), opts()) -> ok | {ok, pid()} | {error, term()}.
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-callback mod_opt_type(atom()) -> econf:validator().
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-callback mod_options(binary()) -> [{atom(), term()} | atom()].
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-callback depends(binary(), opts()) -> [{module(), hard | soft}].
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@ -61,6 +61,7 @@
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%% gen_mod/supervisor callbacks.
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-export([start/2,
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stop/1,
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reload/3,
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depends/2,
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mod_opt_type/1,
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mod_options/1]).
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@ -90,23 +91,23 @@
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-include("translate.hrl").
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-record(state,
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{server_host :: binary(),
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hosts :: [binary()],
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name :: binary(),
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access :: atom(),
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max_size :: pos_integer() | infinity,
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secret_length :: pos_integer(),
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jid_in_url :: sha1 | node,
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{server_host = <<>> :: binary(),
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hosts = [] :: [binary()],
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name = <<>> :: binary(),
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access = none :: atom(),
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max_size = infinity :: pos_integer() | infinity,
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secret_length = 40 :: pos_integer(),
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jid_in_url = sha1 :: sha1 | node,
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file_mode :: integer() | undefined,
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dir_mode :: integer() | undefined,
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docroot :: binary(),
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put_url :: binary(),
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get_url :: binary(),
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docroot = <<>> :: binary(),
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put_url = <<>> :: binary(),
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get_url = <<>> :: binary(),
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service_url :: binary() | undefined,
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thumbnail :: boolean(),
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custom_headers :: [{binary(), binary()}],
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thumbnail = false :: boolean(),
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custom_headers = [] :: [{binary(), binary()}],
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slots = #{} :: slots(),
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external_secret :: binary()}).
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external_secret = <<>> :: binary()}).
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-record(media_info,
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{path :: binary(),
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@ -122,37 +123,37 @@
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%%--------------------------------------------------------------------
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%% gen_mod/supervisor callbacks.
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%%--------------------------------------------------------------------
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-spec start(binary(), gen_mod:opts()) -> {ok, pid()} | {error, already_started}.
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-spec start(binary(), gen_mod:opts()) -> {ok, pid()} | {error, term()}.
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start(ServerHost, Opts) ->
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case mod_http_upload_opt:rm_on_unregister(Opts) of
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true ->
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ejabberd_hooks:add(remove_user, ServerHost, ?MODULE,
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remove_user, 50);
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false ->
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ok
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end,
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Proc = get_proc_name(ServerHost, ?MODULE),
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case whereis(Proc) of
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undefined ->
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gen_mod:start_child(?MODULE, ServerHost, Opts, Proc);
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_Pid ->
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case gen_mod:start_child(?MODULE, ServerHost, Opts, Proc) of
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{ok, _} = Ret -> Ret;
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{error, {already_started, _}} = Err ->
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?ERROR_MSG("Multiple virtual hosts can't use a single 'put_url' "
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"without the @HOST@ keyword", []),
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{error, already_started}
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Err;
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Err ->
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Err
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end.
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-spec stop(binary()) -> ok | {error, any()}.
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stop(ServerHost) ->
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case mod_http_upload_opt:rm_on_unregister(ServerHost) of
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true ->
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ejabberd_hooks:delete(remove_user, ServerHost, ?MODULE,
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remove_user, 50);
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false ->
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ok
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end,
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Proc = get_proc_name(ServerHost, ?MODULE),
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gen_mod:stop_child(Proc).
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-spec reload(binary(), gen_mod:opts(), gen_mod:opts()) -> ok | {ok, pid()} | {error, term()}.
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reload(ServerHost, NewOpts, OldOpts) ->
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NewURL = mod_http_upload_opt:put_url(NewOpts),
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OldURL = mod_http_upload_opt:put_url(OldOpts),
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OldProc = get_proc_name(ServerHost, ?MODULE, OldURL),
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NewProc = get_proc_name(ServerHost, ?MODULE, NewURL),
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if OldProc /= NewProc ->
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gen_mod:stop_child(OldProc),
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start(ServerHost, NewOpts);
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true ->
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gen_server:cast(NewProc, {reload, NewOpts, OldOpts})
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end.
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-spec mod_opt_type(atom()) -> econf:validator().
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mod_opt_type(name) ->
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econf:binary();
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@ -234,46 +235,15 @@ init([ServerHost|_]) ->
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process_flag(trap_exit, true),
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Opts = gen_mod:get_module_opts(ServerHost, ?MODULE),
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Hosts = gen_mod:get_opt_hosts(Opts),
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Name = mod_http_upload_opt:name(Opts),
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Access = mod_http_upload_opt:access(Opts),
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MaxSize = mod_http_upload_opt:max_size(Opts),
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SecretLength = mod_http_upload_opt:secret_length(Opts),
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JIDinURL = mod_http_upload_opt:jid_in_url(Opts),
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DocRoot = mod_http_upload_opt:docroot(Opts),
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FileMode = mod_http_upload_opt:file_mode(Opts),
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DirMode = mod_http_upload_opt:dir_mode(Opts),
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PutURL = mod_http_upload_opt:put_url(Opts),
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GetURL = case mod_http_upload_opt:get_url(Opts) of
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undefined -> PutURL;
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URL -> URL
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end,
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ServiceURL = mod_http_upload_opt:service_url(Opts),
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Thumbnail = mod_http_upload_opt:thumbnail(Opts),
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ExternalSecret = mod_http_upload_opt:external_secret(Opts),
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CustomHeaders = mod_http_upload_opt:custom_headers(Opts),
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DocRoot1 = expand_home(str:strip(DocRoot, right, $/)),
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DocRoot2 = expand_host(DocRoot1, ServerHost),
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case DirMode of
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undefined ->
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ok;
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Mode ->
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file:change_mode(DocRoot2, Mode)
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case mod_http_upload_opt:rm_on_unregister(Opts) of
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true ->
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ejabberd_hooks:add(remove_user, ServerHost, ?MODULE,
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remove_user, 50);
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false ->
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ok
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end,
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lists:foreach(
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fun(Host) ->
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ejabberd_router:register_route(Host, ServerHost)
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end, Hosts),
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{ok, #state{server_host = ServerHost, hosts = Hosts, name = Name,
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access = Access, max_size = MaxSize,
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secret_length = SecretLength, jid_in_url = JIDinURL,
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file_mode = FileMode, dir_mode = DirMode,
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thumbnail = Thumbnail,
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docroot = DocRoot2,
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put_url = expand_host(str:strip(PutURL, right, $/), ServerHost),
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get_url = expand_host(str:strip(GetURL, right, $/), ServerHost),
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service_url = ServiceURL,
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external_secret = ExternalSecret,
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custom_headers = CustomHeaders}}.
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State = init_state(ServerHost, Hosts, Opts),
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{ok, State}.
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-spec handle_call(_, {pid(), _}, state())
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-> {reply, {ok, pos_integer(), binary(),
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@ -309,6 +279,24 @@ handle_call(Request, From, State) ->
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{noreply, State}.
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-spec handle_cast(_, state()) -> {noreply, state()}.
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handle_cast({reload, NewOpts, OldOpts},
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#state{server_host = ServerHost} = State) ->
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case {mod_http_upload_opt:rm_on_unregister(NewOpts),
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mod_http_upload_opt:rm_on_unregister(OldOpts)} of
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{true, false} ->
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ejabberd_hooks:add(remove_user, ServerHost, ?MODULE,
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remove_user, 50);
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{false, true} ->
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ejabberd_hooks:delete(remove_user, ServerHost, ?MODULE,
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remove_user, 50);
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_ ->
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ok
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end,
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NewHosts = gen_mod:get_opt_hosts(NewOpts),
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OldHosts = gen_mod:get_opt_hosts(OldOpts),
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lists:foreach(fun ejabberd_router:unregister_route/1, OldHosts -- NewHosts),
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NewState = init_state(State#state{hosts = NewHosts -- OldHosts}, NewOpts),
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{noreply, NewState};
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handle_cast(Request, State) ->
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?WARNING_MSG("Unexpected cast: ~p", [Request]),
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{noreply, State}.
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@ -347,6 +335,7 @@ handle_info(Info, State) ->
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-spec terminate(normal | shutdown | {shutdown, _} | _, state()) -> ok.
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terminate(Reason, #state{server_host = ServerHost, hosts = Hosts}) ->
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?DEBUG("Stopping HTTP upload process for ~s: ~p", [ServerHost, Reason]),
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ejabberd_hooks:delete(remove_user, ServerHost, ?MODULE, remove_user, 50),
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lists:foreach(fun ejabberd_router:unregister_route/1, Hosts).
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-spec code_change({down, _} | _, state(), _) -> {ok, state()}.
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@ -484,12 +473,66 @@ process(_LocalPath, #request{method = Method, host = Host, ip = IP}) ->
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[Method, encode_addr(IP), Host]),
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http_response(405, [{<<"Allow">>, <<"OPTIONS, HEAD, GET, PUT">>}]).
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%%--------------------------------------------------------------------
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%% State initialization
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%%--------------------------------------------------------------------
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-spec init_state(binary(), [binary()], gen_mod:opts()) -> state().
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init_state(ServerHost, Hosts, Opts) ->
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init_state(#state{server_host = ServerHost, hosts = Hosts}, Opts).
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-spec init_state(state(), gen_mod:opts()) -> state().
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init_state(#state{server_host = ServerHost, hosts = Hosts} = State, Opts) ->
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Name = mod_http_upload_opt:name(Opts),
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Access = mod_http_upload_opt:access(Opts),
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MaxSize = mod_http_upload_opt:max_size(Opts),
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SecretLength = mod_http_upload_opt:secret_length(Opts),
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JIDinURL = mod_http_upload_opt:jid_in_url(Opts),
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DocRoot = mod_http_upload_opt:docroot(Opts),
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FileMode = mod_http_upload_opt:file_mode(Opts),
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DirMode = mod_http_upload_opt:dir_mode(Opts),
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PutURL = mod_http_upload_opt:put_url(Opts),
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GetURL = case mod_http_upload_opt:get_url(Opts) of
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undefined -> PutURL;
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URL -> URL
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end,
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ServiceURL = mod_http_upload_opt:service_url(Opts),
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Thumbnail = mod_http_upload_opt:thumbnail(Opts),
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ExternalSecret = mod_http_upload_opt:external_secret(Opts),
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CustomHeaders = mod_http_upload_opt:custom_headers(Opts),
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DocRoot1 = expand_home(str:strip(DocRoot, right, $/)),
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DocRoot2 = expand_host(DocRoot1, ServerHost),
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case DirMode of
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undefined ->
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ok;
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Mode ->
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file:change_mode(DocRoot2, Mode)
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end,
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lists:foreach(
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fun(Host) ->
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ejabberd_router:register_route(Host, ServerHost)
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end, Hosts),
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State#state{server_host = ServerHost, hosts = Hosts, name = Name,
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access = Access, max_size = MaxSize,
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secret_length = SecretLength, jid_in_url = JIDinURL,
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file_mode = FileMode, dir_mode = DirMode,
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thumbnail = Thumbnail,
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docroot = DocRoot2,
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put_url = expand_host(str:strip(PutURL, right, $/), ServerHost),
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get_url = expand_host(str:strip(GetURL, right, $/), ServerHost),
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service_url = ServiceURL,
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external_secret = ExternalSecret,
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custom_headers = CustomHeaders}.
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%%--------------------------------------------------------------------
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%% Exported utility functions.
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%%--------------------------------------------------------------------
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-spec get_proc_name(binary(), atom()) -> atom().
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get_proc_name(ServerHost, ModuleName) ->
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PutURL = mod_http_upload_opt:put_url(ServerHost),
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get_proc_name(ServerHost, ModuleName, PutURL).
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-spec get_proc_name(binary(), atom(), binary()) -> atom().
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get_proc_name(ServerHost, ModuleName, PutURL) ->
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%% Once we depend on OTP >= 20.0, we can use binaries with http_uri.
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{ok, {_Scheme, _UserInfo, Host0, _Port, Path0, _Query}} =
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http_uri:parse(binary_to_list(expand_host(PutURL, ServerHost))),
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