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https://github.com/fusionpbx/fusionpbx.git
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e728cb44ae
* Fix. Cache class. * `send_event` raise error so `Cache.del` did not remove key or send any event * use `memcache` method by default even if `cache` table does not defined in config * `Cache.get` did not return any data when use `memcache` method * `Cache.get` did not close file. (Its should not be a big problem because GC should do it by self). * `Cache.get` can returns some undefined global value. (if method is `file` and file not exists then method returns global `result` value) * `Cache.get` does not need check for file existence * Value escaping does not needed for `file` method * Needed different key escaping for `memcache` and `file` methods * Update self test * Change. Use random names for temp files.
58 lines
1.3 KiB
Lua
58 lines
1.3 KiB
Lua
-- load base64 if exists
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pcall(require, "resources.functions.base64")
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-- load logger for file library
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local log = require "resources.functions.log".file
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local base64 = base64
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local function write_file(fname, data, mode)
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local file, err = io.open(fname, mode or "wb")
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if not file then
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-- log.err("Can not open file to write:" .. tostring(err))
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return nil, err
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end
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file:write(data)
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file:close()
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return true
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end
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-- decode and write to file
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local function write_base64(fname, encoded, mode)
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return write_file(fname, base64.decode(encoded), mode)
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end
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local function read_file(fname, mode)
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local file, err = io.open(fname, mode or "rb")
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if not file then
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-- log.err("Can not open file to read:" .. tostring(err))
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return nil, err
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end
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local data = file:read("*all")
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file:close()
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return data
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end
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-- read file and encode
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local function read_base64(fname, mode)
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local data, err = read_file(fname, mode)
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if not data then return nil, err end
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return base64.encode(data)
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end
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local function file_exists(name)
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local f = io.open(name, "r")
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if not f then return end
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f:close()
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return name
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end
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return {
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read = read_file;
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read_base64 = read_base64;
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write = write_file;
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write_base64 = write_base64;
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exists = file_exists;
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remove = os.remove;
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rename = os.rename;
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} |