Post photo to FB Page using SDK fails while it succeeds with Graph API

Question

Created Jun ’20

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Hi everyone

I'm struggling with this d*** FB SDK :-/

Basically, I've got an app that is supposed to post content to a FB Page. To achieve that, I login using the FB sdk. Then I request authorisations as follow

Code Block LoginManager().logIn(permissions: ["pages_manage_posts", "pages_read_engagement", "pages_show_list"], viewController: controller) { result in
										print("res \(result)")
										switch result {
										case .success:
												// the pageId is in data>id
												Defaults[\.facebookSwitchOn] = true
												GraphRequest.init(graphPath: "me/accounts").start { (connexion, result, error) in
														guard let result = result as? [String:Any],
																	let dataArray = result["data"] as? Array<Any>,
																	let data = dataArray.first as? [String:Any],
																	let pageId = data["id"] as? String,
																	let access = data["access_token"] as? String else { return }
														print("\(pageId)")
														Defaults[\.facebookPageId] = pageId
														Defaults[\.facebookPageAccessToken] = access
												}
												completion(true)
										case .failed(let error):
												completion(false)
												MessageManager.show(.basic(.custom(title: "Oups".local(), message: error.localizedDescription, buttonTitle: nil, configuration: MessageDisplayConfiguration.alert)), in: controller)
										default: ()
										}
								}

I save the pageId and TokenID to be able to perform a POST request as follow

Code Block GraphRequest
										.init(graphPath: "\(pageId)/photos",
//										parameters: ["source" : image, "caption" : text, "access_token" : token, "published" : false],
												parameters: ["caption" : contentDescription, "url" : "https://www.cdiscount.com/pdt2/9/2/8/1/700x700/889698377928/rw/figurine-funko-pop-deluxe-game-of-thrones-daen.jpg", "access_token" : token],
												httpMethod: .post)
										.start { (connexion, result, error) in
										completion(Result.success(true))
								}

However, I get a weird error telling that publish_actions has been deprecated.
I logged the request using Charles, and here it is

(https:// ibb.co/89wPgKx) (remove the space after the // )

Now here is the debug from the GraphAPI explorer :

Code Block curl -i -X POST \ "https://graph.facebook.com/v7.0/104226051340555/photos?caption=test%20message%20from%20Graph%20API%20for%20photo&url=https%3A%2F%2Fwww.cdiscount.com%2Fpdt2%2F9%2F2%2F8%2F1%2F700x700%2F889698377928%2Frw%2Ffigurine-funko-pop-deluxe-game-of-thrones-daen.jpg&access_token=<access token sanitized>"

Basically, it is the same request excepting the fact that parameters in the explorer are URL parameters and they are encapsulated in a json.

I can't understand why the graph explorer request succeeds while the SDK request fails.
I'm totally stuck :-/

Thanks for your help.

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