From 635d753a0c86e1213682ffa7cc5ee414c7c9f383 Mon Sep 17 00:00:00 2001
From: Richard Ipsum <richardipsum@fastmail.co.uk>
Date: Sun, 4 May 2014 10:48:49 +0100
Subject: Make gitano-auth use is_authorized and runcmd

---
 bin/gitano-auth.in | 142 ++++-------------------------------------------------
 1 file changed, 9 insertions(+), 133 deletions(-)

diff --git a/bin/gitano-auth.in b/bin/gitano-auth.in
index 3901166..2190ae0 100644
--- a/bin/gitano-auth.in
+++ b/bin/gitano-auth.in
@@ -20,152 +20,28 @@ local sp = require "luxio.subprocess"
 -- @@GITANO_SHARE_PATH
 -- @@GITANO_PLUGIN_PATH
 
-local repo_root, username, keytag = ...
+local repo_root, user, keytag = ...
 
 gitano.config.repo_path(repo_root)
 
 local cmdline = luxio.getenv "SSH_ORIGINAL_COMMAND" or ""
 
-local transactionid = gitano.log.syslog.open()
-
 if cmdline:match("^[ \t\n]*$") then
    gitano.log.fatal("No command provided, cannot continue")
 end
 
-local parsed_cmdline, warnings = gitano.util.parse_cmdline(cmdline)
-
-local start_log_level = gitano.log.get_level()
--- Clamp level at info until we have checked if the caller
--- is an admin or not
-gitano.log.cap_level(gitano.log.level.INFO)
-
-if (#warnings > 0) then
-   gitano.log.error("Warnings encountered parsing commandline.");
-   gitano.log.warn("\t" ..  cmdline)
-   gitano.log.warn("")
-   gitano.log.warn("Parsed as:")
-   for i = 1, #parsed_cmdline do
-      gitano.log.warn(("  =[%2d]> %s"):format(i, parsed_cmdline[i]))
-   end
-   gitano.log.warn("\nWarnings were:")
-   for i = 1, #warnings do
-      gitano.log.warn(" * " .. warnings[i])
-   end
-   gitano.log.warn("")
-   gitano.log.fatal("Game over, sorry\n")
-end
-
--- Now load the administration data
-
-local admin_repo = gall.repository.new((repo_root or "") .. "/gitano-admin.git")
-
-if not admin_repo then
-   gitano.log.fatal("Unable to locate administration repository.  Cannot continue");
-end
-
-local admin_head = admin_repo:get(admin_repo.HEAD)
-
-if not admin_head then
-   gitano.log.fatal("Unable to find the HEAD of the administration repository.  Cannot continue");
-end
-
-local config, msg = gitano.config.parse(admin_head)
-
-if not config then
-   gitano.log.critical("Unable to parse administration repository.")
-   gitano.log.critical("  * " .. (msg or "No error?"))
-   gitano.log.fatal("Cannot continue")
-end
-
--- Now, are we an admin?
-if config.groups["gitano-admin"].filtered_members[username] then
-   -- Yep, so blithely reset logging level
-   gitano.log.set_level(start_log_level)
-end
-
-if not config.global.silent then
-   -- Not silent, bump to chatty level automatically
-   gitano.log.bump_level(gitano.log.level.CHAT)
-end
-
-local repo
-
--- Find the command
+local authorized, cmd, parsed_cmdline, config, env, repo =
+   gitano.auth.is_authorized(user, "ssh", cmdline, repo_root)
 
+if authorized then
+   local exit = gitano.util.run_command(cmd, cmdline, parsed_cmdline,
+      user, config, env, repo)
 
-ip = string.match(luxio.getenv "SSH_CLIENT", "^[^ ]+") or ""
-
-gitano.log.syslog.info("Client connected from", ip, "as", username,
-                       "(" .. keytag .. ")", "Executing command:",
-                       cmdline)
-
-local cmd = gitano.command.get(parsed_cmdline[1])
-
-if not cmd then
-   gitano.log.fatal("Unknown command: " .. parsed_cmdline[1])
-end
-
-if cmd.takes_repo then
-   repo, parsed_cmdline = cmd.detect_repo(config, parsed_cmdline)
-   if not repo and not parsed_cmdline then
-      gitano.log.fatal("Failed to acquire repository object")
+   if exit ~= 0 then
+      gitano.log.fatal("Error running command, exiting")
    end
-end
-
--- Validate the commandline, massaging it as necessary.
-
-if not cmd.validate(config, repo, parsed_cmdline) then
-   gitano.log.fatal("Validation of command line failed")
-end
-
--- Construct our context ready for prep
-local context = {
-   source = "ssh",
-   user = username,
-   keytag = keytag,
-}
-
-local action, reason = cmd.prep(config, repo, parsed_cmdline, context)
-
-if not action then
-   gitano.log.crit(reason)
-   gitano.log.fatal("Ruleset did not complete cleanly")
-end
-
-if action == "allow" then
-   gitano.log.info(reason or "Ruleset permitted action")
-else
-   gitano.log.critical(reason)
-   gitano.log.fatal("Ruleset denied action.  Sorry.")
-end
-
-gitano.log.debug("Welcome to " .. config.global.site_name)
-gitano.log.debug("Running:")
-for i = 1, #parsed_cmdline do
-   gitano.log.debug(" => " .. parsed_cmdline[i])
-end
-gitano.log.debug("")
-gitano.log.debug("On behalf of " .. username .. " using key " .. keytag)
-
--- Set up some useful environment variables
-
-local env = {
-   ["GITANO_ROOT"] = repo_root,
-   ["GITANO_USER"] = username,
-   ["GITANO_KEYTAG"] = keytag,
-   ["GITANO_PROJECT"] = (repo or {}).name,
-   ["GITANO_SOURCE"] = "ssh",
-   ["GITANO_TRANSACTION_ID"] = transactionid,
-}
-
-local how, why = cmd.run(config, repo, parsed_cmdline, env)
-
-if how ~= "exit" or why ~= 0 then
-   gitano.log.critical("Error running sub-process:",
-		       ("%s (%d)"):format(how, why))
-   gitano.log.fatal("Unable to continue")
 else
-   gitano.log.syslog.info(cmdline, "completed successfully")
+   gitano.log.fatal("Not authorized")
 end
 
 gitano.log.syslog.close()
-- 
cgit v1.2.1