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Difference between revisions of "Scripting/SWebService"

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(Typo: Space.WebService should be Space.WebServices)
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end<br>
 
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'''Space.WebService.Get'''(sentData, response)<br>
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'''Space.WebServices.Get'''(sentData, response)<br>
 
''--Phase the response to get what you need''}}
 
''--Phase the response to get what you need''}}
  
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'''Space.WebService.Post'''(url, sentData, response)<br>
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'''Space.WebServices.Post'''(url, sentData, response)<br>
 
''-- Like the example above, just using http(s) post method.''}}
 
''-- Like the example above, just using http(s) post method.''}}
  

Revision as of 17:39, 20 October 2020

The SWebService class allows you to contact servers you control via HTTP[S] and GET or POST data strings.

Whitelisting

To prevent Space users from unintentionally becoming part of a DDoS botnet, the Space client will first check for a file on a domain before allowing communications with the domain. If this file cannot be found, it will no longer communicate with that domain until the user logs.

To setup your server for communication with space, in the root of your domain, on the port you are using, place a file named 'sinewave.space.scripting.txt' containing 'SPACE_OK'. E.g. http://somewhere.com/sinewave.space.scripting.txt - if this file is not present, you will be unable to use scripting to communicate with the domain. Note: you should use HTTPS for all API calls if you want these to work reliably in WebGL. You may also need to implement a CORS policy in your webserver headers.

Members

It should be noted that the callback function to handle the WebResponse MUST BE DEFINED PRIOR TO CALLING or a script crash will occur. Thanks to Serp Serpton for this highly relevant detail.

Get

void Get (string url, Action<SWebResponse> onComplete);

Performs a HTTP[S] GET against URL and returns the contents as a SWebResponse

--For example, you want to get a game data from your domain

local userID = "AvatarID" --You can using Space.Scene.PlayerAvatar to get the current player's info
local gameID = "GameID" --Just an example, like you have more than one game hosted
local sentData = "http://www.yourdomain.net/getGameData.php?id=" .. userID .. "&game=" .. gameID

local response = function(data)
  if data.Error == nil then
    Space.Log(data.Response)
  end
end

Space.WebServices.Get(sentData, response)

--Phase the response to get what you need


Post

void Post (string url, string data, Action<SWebResponse> onComplete);

Performs a HTTP[S] POST against URL using data as a post string and returns the contents as a SWebResponse

local userID = "AvatarID"

local gameID = "GameID"
local url = "http://www.yourdomain.net/getGameData.php"
local sentData = "id=" .. userID .. "&game=" .. gameID

local response = function(data)
  if data.Error == nil then
    Space.Log(data.Response)
  end
end

Space.WebServices.Post(url, sentData, response)

-- Like the example above, just using http(s) post method.


GetImage

SResource GetImage (string url);

Returns a valid SResource for a image on a remote domain that can be used via e.g. Scripting/SMaterial. While the image loads, it will be a white pixel that will be substituted with the real image once loaded.

function hithere()
 image = "mrlee.jpg"
 server = "https://middleware.systems/"
 obj = Space.Host.GetReference("dispobj")
 resrc = Space.WebServices.GetImage(server .. "mrlee.jpg")
 obj.Renderer.Material.SetTexture("_MainTex", resrc)
end