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body_filter.lua
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body_filter.lua
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-- Will filter the output and put in a header implying login
if ngx.var.cookie_OauthAccessToken then
local signout_uri = ngx.var.ngo_signout_uri or "/_signout"
local img = "<img src=\""..ngx.unescape_uri(ngx.var.cookie_OauthPicture).."\" />"
local user = "<span class=\"ngo_user\">"..ngx.unescape_uri(ngx.var.cookie_OauthName).."</span>"
local email = "<span class=\"ngo_email\">"..ngx.unescape_uri(ngx.var.cookie_OauthEmail).."</span>"
local signout = "<a href=\""..signout_uri.."\">Signout</a>"
local div = "<div class=\"ngo_auth\">"..img..user..email..signout.."</div>"
local css = ngx.var.ngo_css
if not css then
css = [[
<style>
div.ngo_auth { width: 100%; background-color: #6199DF; color: white; padding: 0.5em 0em 0.5em 2em; vertical-align: middle; margin: 0; }
div.ngo_auth > img { width: auto; height: 2em; margin: 0 1em 0 0; padding: 0; }
div.ngo_auth > span { color: white; }
div.ngo_auth > span.ngo_user { font-weight: bold; margin-right: 1em; }
div.ngo_auth > a { color: white; margin-left: 3em; }
</style>
]]
end
div = css..div
ngx.arg[1] = ngx.re.sub(ngx.arg[1], "<body>", "<body>"..div)
end