Zig Requires Chilkat v11.0.0+

Upload Media for Google Photos

See more Google Photos Examples

Demonstrates how to upload a media file (such as a JPG image) that will be placed in a Google Photos album. Uploading is a two-step process:

1. Upload the raw bytes to a Google Server. This doesn't result in any media items being created in the user’s Google Photos account. Instead, it returns an upload token which identifies the uploaded bytes.
2. Use the upload token to create the media item in the user’s Google Photos account. You can choose whether the media should be also added to a specific album.

This example shows step 1.

Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Get the previously obtained access token.
    // See Get Google Photos Access Token.

    const json_token = try chilkat.JsonObject.init();
    defer json_token.deinit();
    json_token.loadFile("qa_data/tokens/googlePhotos.json") catch {
        std.debug.print("{s}\n", .{try json_token.getLastErrorText(alloc)});
        return;
    };

    const http = try chilkat.Http.init();
    defer http.deinit();

    http.setAuthToken(try json_token.stringOf(alloc, "access_token"));

    // This is the HTTPS POST we'll be sending:
    // POST https://photoslibrary.googleapis.com/v1/uploads
    // Authorization: Bearer OAUTH2_TOKEN
    // Content-type: application/octet-stream
    // X-Goog-Upload-File-Name: FILENAME
    // X-Goog-Upload-Protocol: raw

    http.setRequestHeader("X-Goog-Upload-File-Name", "penguins.jpg");
    http.setRequestHeader("X-Goog-Upload-Protocol", "raw");

    // Assuming the media isn't super large, we'll just read it into memory and send.
    // (Another example exists for streaming a large media file directly from the filesystem.)

    // Load the media file into memory.
    const bd_media = try chilkat.BinData.init();
    defer bd_media.deinit();
    try bd_media.loadFile("qa_data/jpg/penguins.jpg");

    const url = "https://photoslibrary.googleapis.com/v1/uploads";
    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpBd("POST", url, bd_media, "application/octet-stream", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    // Examine the response status code.  Success is indicated by a status code of 200.
    std.debug.print("response status code: {d}\n", .{resp.getStatusCode()});

    // Show the response body.
    if (resp.getStatusCode() == 200) {
        // Success.
        std.debug.print("Upload token: {s}\n", .{try resp.getBodyStr(alloc)});
    } else {
        std.debug.print("Error:\n", .{});
        std.debug.print("{s}\n", .{try resp.getBodyStr(alloc)});
    }

    // Clear headers such as X-Goog-Upload-File-Name for subsequent HTTP requests sent on this object..
    http.clearHeaders();
}