64 lines
1.8 KiB
Lua
64 lines
1.8 KiB
Lua
-- 指定模块引用目录，否则无法加载同目录下的其他文件
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--package.path = package.path .. ';/usr/local/opt/openresty/nginx/scripts/?.lua';
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package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
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local uuid = require "resty.jit-uuid"
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local cjson = require "cjson"
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local pl = require "pl.pretty"
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local http = require "resty.http"
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local verify = require('lib.jwt_verify')
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local httpc = http:new()
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local authHeader = ngx.req.get_headers().Authorization
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local sudoerToken = ngx.req.get_headers().HtySudoerToken
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verify(httpc, authHeader, sudoerToken)
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uuid.seed()
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local file_dir = ngx.var.tmp_file_dir
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ngx.req.read_body()
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local req_body = cjson.decode(ngx.req.get_body_data())
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ngx.log(ngx.INFO, 'REQ_BODY -> ', ngx.req.get_body_data())
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local images = req_body["payload"]["images"]
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local combined_uuid = uuid.generate_v4()
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local combined = file_dir .. "/" .. combined_uuid .. ".jpeg";
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local len = table.getn(images)
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if len == 0 then
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ngx.status = 500
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ngx.log(ngx.ERR, "No images to combine!")
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return ;
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end
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local origin = {}
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-- 从 nginx 变量取
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local convert = ngx.var.convert
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if not convert then
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ngx.status = 500
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ngx.log(ngx.ERR, "ImageMagick NOT FOUND.")
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return
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end
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for i = 1, len do
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ngx.log(ngx.INFO, "COMBINE FILE -> ", images[i])
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local incoming = file_dir .. "/" .. images[i]
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origin[i] = incoming .. ".png "
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local cmd = convert .. " -resize 642x1389 -strip -quality 75% " .. incoming .. " " .. origin[i]
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ngx.log(ngx.INFO, 'CMD RESIZE -> ', cmd)
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local handle = io.popen(cmd)
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local result = handle:read("*a")
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ngx.log(ngx.INFO, 'CMD RESIZE -> RESULT ', pl.dump(result))
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handle:close()
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end
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local cmd = convert .. " -append " .. table.concat(origin, " ") .. " " .. combined
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ngx.log(ngx.INFO, 'CMD APPEND -> ', cmd)
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io.popen(cmd)
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ngx.say(combined_uuid)
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