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support versionning in OnlyOffice

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This commit is contained in:
mrsang
2021-03-19 22:04:27 +01:00
parent e3a22774aa
commit 882b57dd87
6 changed files with 216 additions and 38 deletions
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110
OnlyOffice/api/api.lua
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@ -32,6 +32,67 @@ handle.token = function(data)
return result(ret)
end
handle.history = function(data)
local file = vfs.ospath(data.file)
local history_file = vfs.ospath("home://.office/"..std.sha1(file).."/history.json")
if(ulib.exists(history_file)) then
local obj = JSON.decodeFile(history_file)
obj.hash = std.sha1(file)
return result(obj)
else
return error("No history found")
end
end
handle.clean_up_version = function(basepath, h,v)
if not h then
return nil
end
if h.version == v then
return h
else
--delete this version
local cmd = 'rm '..basepath.."/"..h.key.."*"
print(cmd)
os.execute(cmd)
if h.previous then
return handle.clean_up_version(basepath, h.previous,v)
else
return nil
end
end
end
handle.restore = function(data)
local version = data.version
local file = vfs.ospath(data.file)
local basepath = vfs.ospath("home://.office/"..std.sha1(file))
if ulib.exists(basepath.."/history.json") then
local history = JSON.decodeFile(basepath.."/history.json")
local obj = handle.clean_up_version(basepath, history,version)
if obj then
-- restore the file
local cmd = 'cp '..basepath.."/"..obj.key..' "'..file..'"'
os.execute(cmd)
local cmd = 'rm '..basepath.."/"..obj.key
os.execute(cmd)
local f = io.open(basepath.."/history.json", "w")
if f then
f:write(JSON.encode(obj))
f:close()
return result("File restored")
else
return error("Cannot save history")
end
else
local cmd = "rm "..basepath.."/history.json"
os.execute(cmd)
return result("File restored")
end
else
return error("Unable to restore: no history meta-data found")
end
end
handle.duplicate = function(data)
local file = vfs.ospath(data.as)
local tmpfile = "/tmp/"..std.sha1(file)
@ -67,8 +128,55 @@ handle.save = function()
os.execute(cmd)
-- move file to correct position
if ulib.exists(tmpfile) then
cmd = "mv "..tmpfile.." "..file
-- back up the file version
local history_dir = "home://.office"
vfs.mkdir(history_dir)
history_dir = history_dir.."/"..std.sha1(file)
vfs.mkdir(history_dir)
history_dir = vfs.ospath(history_dir)
-- backup old version
cmd = 'cp "'..file..'" "'..history_dir.."/"..data.key..'"'
os.execute(cmd)
-- create new version
local old_stat = ulib.file_stat(file)
cmd = 'mv "'..tmpfile..'" "'..file..'"'
os.execute(cmd)
-- get the new key
local stat = ulib.file_stat(file)
local new_key = std.sha1(file..":"..stat.mtime)
-- save changes
if(data.changesurl) then
cmd = "curl -o "..history_dir.."/"..new_key..'.zip "'..data.changesurl..'"'
os.execute(cmd)
end
-- now save version object
local history_file = history_dir.."/history.json"
local history = {}
if ulib.exists(history_file) then
history.previous = JSON.decodeFile(history_file)
history.version = history.previous.version + 1
else
history.version = 1
history.previous = {
key = data.key,
version = 0,
create = old_stat.mtime
}
end
history.key = new_key
history.changes = data.history.changes
history.serverVersion = data.history.serverVersion
history.create = stat.mtime
history.user = { id = ulib.uid(SESSION.user).id, name = SESSION.user }
-- save the history to file
local f = io.open(history_file, "w")
if f then
f:write(JSON.encode(history))
f:close()
else
return error("Cannot save history")
end
print("File "..file.." sync with remote")
else
return error("Unable to download")