diff --git a/ui/package.json b/ui/package.json
index 4d286cb..7e1c330 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -20,6 +20,7 @@
     "@vue/cli-plugin-typescript": "~5.0.0",
     "@vue/cli-service": "~5.0.0",
     "@vue/eslint-config-typescript": "^9.1.0",
+    "axios": "^1.1.3",
     "bulma": "^0.9.4",
     "eslint": "^7.32.0",
     "eslint-plugin-vue": "^8.0.3",
@@ -27,4 +28,4 @@
     "sass-loader": "^13.1.0",
     "typescript": "~4.5.5"
   }
-}
\ No newline at end of file
+}
diff --git a/ui/src/components/CalendarDoor.vue b/ui/src/components/CalendarDoor.vue
index e7ce987..1cd99ab 100644
--- a/ui/src/components/CalendarDoor.vue
+++ b/ui/src/components/CalendarDoor.vue
@@ -18,7 +18,9 @@ export default class CalendarDoor extends Vue {
   }
 
   private on_click(): void {
-    this.$emit("openDoor", this.image_url);
+    this.$advent22.api_get_blob("days/image/" + this.day, (data) => {
+      this.$emit("openDoor", data);
+    });
   }
 }
 </script>
diff --git a/ui/src/plugins/advent22.ts b/ui/src/plugins/advent22.ts
index e6e88cf..42f3568 100644
--- a/ui/src/plugins/advent22.ts
+++ b/ui/src/plugins/advent22.ts
@@ -1,6 +1,14 @@
+import axios, { AxiosInstance, ResponseType } from 'axios';
 import { App, Plugin } from 'vue';
 
 export class Advent22 {
+  private axios: AxiosInstance;
+  private api_auth = { username: "", password: "" };
+
+  public constructor() {
+    this.axios = axios.create();
+  }
+
   private get api_baseurl(): string {
     // in production mode, return "//host/api"
     if (process.env.NODE_ENV === "production") {
@@ -21,6 +29,48 @@ export class Advent22 {
 
     return `${this.api_baseurl}/${endpoint}`;
   }
+
+  public api_auth_set(username: string, password: string) {
+    this.api_auth = { username: username, password: password };
+  }
+
+  private fail(name: string): (reason: unknown) => void {
+    return (reason: unknown) =>
+      console.warn("Failed to query", name, "-", reason);
+  }
+
+  private api_get<T>(
+    endpoint: string,
+    on_success: (data: T) => void,
+    responseType: ResponseType = "json",
+  ): void {
+    const req_data = {
+      auth: this.api_auth,
+      responseType: responseType,
+    };
+
+    this.axios.get<T>(this.api_url(endpoint), req_data)
+      .then((response) => on_success(response.data))
+      .catch(this.fail(endpoint));
+  }
+
+  public api_get_blob(
+    endpoint: string,
+    on_success: (data: string) => void,
+  ): void {
+    this.api_get<Blob>(
+      endpoint,
+      (data: Blob) => {
+        const reader = new FileReader();
+        reader.readAsDataURL(data);
+        reader.onloadend = () => {
+          if (typeof reader.result === "string")
+            on_success(reader.result);
+        }
+      },
+      "blob",
+    );
+  }
 }
 
 export const Advent22Plugin: Plugin = {
diff --git a/ui/yarn.lock b/ui/yarn.lock
index c6a0a6f..c4c88a9 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -2054,6 +2054,11 @@ async@^2.6.4:
   dependencies:
     lodash "^4.17.14"
 
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+  integrity sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==
+
 at-least-node@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/at-least-node/-/at-least-node-1.0.0.tgz#602cd4b46e844ad4effc92a8011a3c46e0238dc2"
@@ -2071,6 +2076,15 @@ autoprefixer@^10.2.4:
     picocolors "^1.0.0"
     postcss-value-parser "^4.2.0"
 
+axios@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.1.3.tgz#8274250dada2edf53814ed7db644b9c2866c1e35"
+  integrity sha512-00tXVRwKx/FZr/IDVFt4C+f9FYairX517WoGCL6dpOntqLkZofjhu43F/Xl44UOpqa+9sLFDrG/XAnFsUYgkDA==
+  dependencies:
+    follow-redirects "^1.15.0"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
+
 babel-loader@^8.2.2:
   version "8.2.5"
   resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-8.2.5.tgz#d45f585e654d5a5d90f5350a779d7647c5ed512e"
@@ -2442,6 +2456,13 @@ colorette@^2.0.10:
   resolved "https://registry.yarnpkg.com/colorette/-/colorette-2.0.19.tgz#cdf044f47ad41a0f4b56b3a0d5b4e6e1a2d5a798"
   integrity sha512-3tlv/dIP7FWvj3BsbHrGLJ6l/oKh1O3TcgBqMn+yyCagOxc23fyzDS6HypQbgxWbkpDnf52p1LuR4eWDQ/K9WQ==
 
+combined-stream@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
+  integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
+  dependencies:
+    delayed-stream "~1.0.0"
+
 commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
@@ -2790,6 +2811,11 @@ define-properties@^1.1.4:
     has-property-descriptors "^1.0.0"
     object-keys "^1.1.1"
 
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+  integrity sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==
+
 depd@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/depd/-/depd-2.0.0.tgz#b696163cc757560d09cf22cc8fad1571b79e76df"
@@ -3365,7 +3391,7 @@ flatted@^3.1.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.7.tgz#609f39207cb614b89d0765b477cb2d437fbf9787"
   integrity sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==
 
-follow-redirects@^1.0.0:
+follow-redirects@^1.0.0, follow-redirects@^1.15.0:
   version "1.15.2"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.2.tgz#b460864144ba63f2681096f274c4e57026da2c13"
   integrity sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==
@@ -3389,6 +3415,15 @@ fork-ts-checker-webpack-plugin@^6.4.0:
     semver "^7.3.2"
     tapable "^1.0.0"
 
+form-data@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-4.0.0.tgz#93919daeaf361ee529584b9b31664dc12c9fa452"
+  integrity sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.8"
+    mime-types "^2.1.12"
+
 forwarded@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
@@ -4244,7 +4279,7 @@ mime-db@1.52.0, "mime-db@>= 1.43.0 < 2":
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
   integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
 
-mime-types@^2.1.27, mime-types@^2.1.31, mime-types@~2.1.17, mime-types@~2.1.24, mime-types@~2.1.34:
+mime-types@^2.1.12, mime-types@^2.1.27, mime-types@^2.1.31, mime-types@~2.1.17, mime-types@~2.1.24, mime-types@~2.1.34:
   version "2.1.35"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
   integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
@@ -5013,6 +5048,11 @@ proxy-addr@~2.0.7:
     forwarded "0.2.0"
     ipaddr.js "1.9.1"
 
+proxy-from-env@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
+  integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==
+
 pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"