diff --git a/.env.sample b/.env.sample
index 03fef34..e2d8488 100644
--- a/.env.sample
+++ b/.env.sample
@@ -12,3 +12,22 @@ ES_PORT=9200
 ES_USERNAME=
 ES_PASSWORD=
 ES_INDEX=skohub-reconcile
+
+# URL of reconcile publish service
+PUBLISH_SERVICE_URL=http://localhost:3030
+
+# Authorization
+WIKIMEDIA_AUTH_URL=https://meta.wikimedia.org/w/rest.php/oauth2/authorize
+WIKIMEDIA_TOKEN_URL=https://meta.wikimedia.org/w/rest.php/oauth2/access_token
+WIKIMEDIA_ID=
+WIKIMEDIA_SECRET=
+ORCID_AUTH_URL=https://sandbox.orcid.org/oauth/authorize
+ORCID_TOKEN_URL=https://sandbox.orcid.org/oauth/token
+ORCID_GETUSER_URL=https://sandbox.orcid.org/oauth/userinfo
+ORCID_ID=
+ORCID_SECRET=
+
+SESSION_SECRET=
+
+CONTACT_MAIL=skohub@hbz-nrw.de
+
diff --git a/package-lock.json b/package-lock.json
index f0401c0..d018e58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,8 +15,12 @@
         "ejs": "^3.1.9",
         "elastic-builder": "^2.18.0",
         "express": "^4.18.2",
+        "express-session": "^1.18.0",
         "jsonld": "^8.1.1",
-        "multer": "^1.4.5-lts.1"
+        "multer": "^1.4.5-lts.1",
+        "passport": "^0.7.0",
+        "passport-mediawiki-oauth": "^0.1.0",
+        "passport-oauth2": "^1.8.0"
       },
       "devDependencies": {
         "@types/jest": "^29.5.0",
@@ -938,6 +942,14 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "node_modules/base64url": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-3.0.1.tgz",
+      "integrity": "sha512-ir1UPr3dkwexU7FdV8qBBbNDRUhMmIekYMFZfi+C/sLNnRESKPl23nB9b2pltqfOQNnGzsDdId90AEtG5tCx4A==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/binary-extensions": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
@@ -1603,6 +1615,50 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/express-session": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.18.0.tgz",
+      "integrity": "sha512-m93QLWr0ju+rOwApSsyso838LQwgfs44QtOP/WBiwtAgPIo/SAh1a5c6nn2BR6mFNZehTpqKDESzP+fRHVbxwQ==",
+      "dependencies": {
+        "cookie": "0.6.0",
+        "cookie-signature": "1.0.7",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/express-session/node_modules/cookie": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/express-session/node_modules/cookie-signature": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.7.tgz",
+      "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA=="
+    },
+    "node_modules/express-session/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/express-session/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+    },
     "node_modules/express/node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -2210,6 +2266,14 @@
         "node": ">=14"
       }
     },
+    "node_modules/jwt-simple": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/jwt-simple/-/jwt-simple-0.5.6.tgz",
+      "integrity": "sha512-40aUybvhH9t2h71ncA1/1SbtTNCVZHgsTsTgqPUxGWDmUDrXyDf2wMNQKEbdBjbf4AI+fQhbECNTV6lWxQKUzg==",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
     "node_modules/ky": {
       "version": "0.33.3",
       "resolved": "https://registry.npmjs.org/ky/-/ky-0.33.3.tgz",
@@ -2636,6 +2700,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/oauth": {
+      "version": "0.9.15",
+      "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.9.15.tgz",
+      "integrity": "sha512-a5ERWK1kh38ExDEfoO6qUHJb32rd7aYmPHuyCu3Fta/cnICvYmgd2uhuKXvPD+PXB+gCEYYEaQdIRAjCOwAKNA=="
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -2663,6 +2732,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -2737,6 +2814,93 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/passport": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/passport/-/passport-0.7.0.tgz",
+      "integrity": "sha512-cPLl+qZpSc+ireUvt+IzqbED1cHHkDoVYMo30jbJIdOOjQ1MQYZBPiNvmi8UM6lJuOpTPXJGZQk0DtC4y61MYQ==",
+      "dependencies": {
+        "passport-strategy": "1.x.x",
+        "pause": "0.0.1",
+        "utils-merge": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.4.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/jaredhanson"
+      }
+    },
+    "node_modules/passport-mediawiki-oauth": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/passport-mediawiki-oauth/-/passport-mediawiki-oauth-0.1.0.tgz",
+      "integrity": "sha512-tJRq7wjq8GnNwgcH6CJK4Ip/hcdFQC+XSvwHyp+eMTMLNFyDoJ0i/wYxOq3p+26dEOA2iDfJ92ELdozegsEt9g==",
+      "dependencies": {
+        "jwt-simple": "*",
+        "passport-oauth": "~0.1.4",
+        "pkginfo": "0.2.x"
+      },
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/passport-oauth": {
+      "version": "0.1.15",
+      "resolved": "https://registry.npmjs.org/passport-oauth/-/passport-oauth-0.1.15.tgz",
+      "integrity": "sha512-ma4W++dGNS/WKxkInG03VDqCRPD/9K/eSaqhvMLBFhpLOfycBus8+FnhcoSR6ug+NzXLjYtjGxMPBE/Gt8KqqA==",
+      "dependencies": {
+        "oauth": "0.9.x",
+        "passport": "~0.1.1",
+        "pkginfo": "0.2.x"
+      },
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/passport-oauth/node_modules/passport": {
+      "version": "0.1.18",
+      "resolved": "https://registry.npmjs.org/passport/-/passport-0.1.18.tgz",
+      "integrity": "sha512-qteYojKG/qth7UBbbGU7aqhe5ndJs6YaUkH2B6+7FWQ0OeyYmWknzOATpMhdoSTDcLLliq9n4Fcy1mGs80iUMw==",
+      "dependencies": {
+        "pause": "0.0.1",
+        "pkginfo": "0.2.x"
+      },
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/passport-oauth2": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/passport-oauth2/-/passport-oauth2-1.8.0.tgz",
+      "integrity": "sha512-cjsQbOrXIDE4P8nNb3FQRCCmJJ/utnFKEz2NX209f7KOHPoX18gF7gBzBbLLsj2/je4KrgiwLLGjf0lm9rtTBA==",
+      "dependencies": {
+        "base64url": "3.x.x",
+        "oauth": "0.10.x",
+        "passport-strategy": "1.x.x",
+        "uid2": "0.0.x",
+        "utils-merge": "1.x.x"
+      },
+      "engines": {
+        "node": ">= 0.4.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/jaredhanson"
+      }
+    },
+    "node_modules/passport-oauth2/node_modules/oauth": {
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.10.0.tgz",
+      "integrity": "sha512-1orQ9MT1vHFGQxhuy7E/0gECD3fd2fCC+PIX+/jgmU/gI3EpRocXtmtvxCO5x3WZ443FLTLFWNDjl5MPJf9u+Q=="
+    },
+    "node_modules/passport-strategy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/passport-strategy/-/passport-strategy-1.0.0.tgz",
+      "integrity": "sha512-CB97UUvDKJde2V0KDWWB3lyf6PC3FaZP7YxZ2G8OAtn9p4HI9j9JLP9qjOGZFvyl8uwNT8qM+hGnz/n16NI7oA==",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
     "node_modules/path-exists": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -2784,6 +2948,11 @@
         "node": "*"
       }
     },
+    "node_modules/pause": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/pause/-/pause-0.0.1.tgz",
+      "integrity": "sha512-KG8UEiEVkR3wGEb4m5yZkVCzigAD+cVEJck2CzYZO37ZGJfctvVptVO192MwrtPhzONn6go8ylnOdMhKqi4nfg=="
+    },
     "node_modules/picocolors": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
@@ -2813,6 +2982,14 @@
         "pathe": "^1.1.0"
       }
     },
+    "node_modules/pkginfo": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/pkginfo/-/pkginfo-0.2.3.tgz",
+      "integrity": "sha512-7W7wTrE/NsY8xv/DTGjwNIyNah81EQH0MWcTzrHL6pOpMocOGZc0Mbdz9aXxSrp+U0mSmkU8jrNCDCfUs3sOBg==",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
     "node_modules/postcss": {
       "version": "8.4.35",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.35.tgz",
@@ -2904,6 +3081,14 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -3425,6 +3610,22 @@
       "integrity": "sha512-MvlCc4GHrmZdAllBc0iUDowff36Q9Ndw/UzqmEKyrfSzokTd9ZCy1i+IIk5hrYKkjoYVQyNbrw7/F8XJ2rEwTg==",
       "dev": true
     },
+    "node_modules/uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "dependencies": {
+        "random-bytes": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/uid2": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.4.tgz",
+      "integrity": "sha512-IevTus0SbGwQzYh3+fRsAMTVVPOoIVufzacXcHPmdlle1jUpq7BRL+mw3dgeLanvGZdwwbWhRV6XrcFNdBmjWA=="
+    },
     "node_modules/undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
@@ -4397,6 +4598,11 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "base64url": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-3.0.1.tgz",
+      "integrity": "sha512-ir1UPr3dkwexU7FdV8qBBbNDRUhMmIekYMFZfi+C/sLNnRESKPl23nB9b2pltqfOQNnGzsDdId90AEtG5tCx4A=="
+    },
     "binary-extensions": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
@@ -4925,6 +5131,46 @@
         }
       }
     },
+    "express-session": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.18.0.tgz",
+      "integrity": "sha512-m93QLWr0ju+rOwApSsyso838LQwgfs44QtOP/WBiwtAgPIo/SAh1a5c6nn2BR6mFNZehTpqKDESzP+fRHVbxwQ==",
+      "requires": {
+        "cookie": "0.6.0",
+        "cookie-signature": "1.0.7",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+          "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw=="
+        },
+        "cookie-signature": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.7.tgz",
+          "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA=="
+        },
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+        }
+      }
+    },
     "fast-diff": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz",
@@ -5379,6 +5625,11 @@
         "rdf-canonize": "^3.0.0"
       }
     },
+    "jwt-simple": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/jwt-simple/-/jwt-simple-0.5.6.tgz",
+      "integrity": "sha512-40aUybvhH9t2h71ncA1/1SbtTNCVZHgsTsTgqPUxGWDmUDrXyDf2wMNQKEbdBjbf4AI+fQhbECNTV6lWxQKUzg=="
+    },
     "ky": {
       "version": "0.33.3",
       "resolved": "https://registry.npmjs.org/ky/-/ky-0.33.3.tgz",
@@ -5671,6 +5922,11 @@
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       "dev": true
     },
+    "oauth": {
+      "version": "0.9.15",
+      "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.9.15.tgz",
+      "integrity": "sha512-a5ERWK1kh38ExDEfoO6qUHJb32rd7aYmPHuyCu3Fta/cnICvYmgd2uhuKXvPD+PXB+gCEYYEaQdIRAjCOwAKNA=="
+    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -5689,6 +5945,11 @@
         "ee-first": "1.1.1"
       }
     },
+    "on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA=="
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -5738,6 +5999,71 @@
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
       "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
+    "passport": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/passport/-/passport-0.7.0.tgz",
+      "integrity": "sha512-cPLl+qZpSc+ireUvt+IzqbED1cHHkDoVYMo30jbJIdOOjQ1MQYZBPiNvmi8UM6lJuOpTPXJGZQk0DtC4y61MYQ==",
+      "requires": {
+        "passport-strategy": "1.x.x",
+        "pause": "0.0.1",
+        "utils-merge": "^1.0.1"
+      }
+    },
+    "passport-mediawiki-oauth": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/passport-mediawiki-oauth/-/passport-mediawiki-oauth-0.1.0.tgz",
+      "integrity": "sha512-tJRq7wjq8GnNwgcH6CJK4Ip/hcdFQC+XSvwHyp+eMTMLNFyDoJ0i/wYxOq3p+26dEOA2iDfJ92ELdozegsEt9g==",
+      "requires": {
+        "jwt-simple": "*",
+        "passport-oauth": "~0.1.4",
+        "pkginfo": "0.2.x"
+      }
+    },
+    "passport-oauth": {
+      "version": "0.1.15",
+      "resolved": "https://registry.npmjs.org/passport-oauth/-/passport-oauth-0.1.15.tgz",
+      "integrity": "sha512-ma4W++dGNS/WKxkInG03VDqCRPD/9K/eSaqhvMLBFhpLOfycBus8+FnhcoSR6ug+NzXLjYtjGxMPBE/Gt8KqqA==",
+      "requires": {
+        "oauth": "0.9.x",
+        "passport": "~0.1.1",
+        "pkginfo": "0.2.x"
+      },
+      "dependencies": {
+        "passport": {
+          "version": "0.1.18",
+          "resolved": "https://registry.npmjs.org/passport/-/passport-0.1.18.tgz",
+          "integrity": "sha512-qteYojKG/qth7UBbbGU7aqhe5ndJs6YaUkH2B6+7FWQ0OeyYmWknzOATpMhdoSTDcLLliq9n4Fcy1mGs80iUMw==",
+          "requires": {
+            "pause": "0.0.1",
+            "pkginfo": "0.2.x"
+          }
+        }
+      }
+    },
+    "passport-oauth2": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/passport-oauth2/-/passport-oauth2-1.8.0.tgz",
+      "integrity": "sha512-cjsQbOrXIDE4P8nNb3FQRCCmJJ/utnFKEz2NX209f7KOHPoX18gF7gBzBbLLsj2/je4KrgiwLLGjf0lm9rtTBA==",
+      "requires": {
+        "base64url": "3.x.x",
+        "oauth": "0.10.x",
+        "passport-strategy": "1.x.x",
+        "uid2": "0.0.x",
+        "utils-merge": "1.x.x"
+      },
+      "dependencies": {
+        "oauth": {
+          "version": "0.10.0",
+          "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.10.0.tgz",
+          "integrity": "sha512-1orQ9MT1vHFGQxhuy7E/0gECD3fd2fCC+PIX+/jgmU/gI3EpRocXtmtvxCO5x3WZ443FLTLFWNDjl5MPJf9u+Q=="
+        }
+      }
+    },
+    "passport-strategy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/passport-strategy/-/passport-strategy-1.0.0.tgz",
+      "integrity": "sha512-CB97UUvDKJde2V0KDWWB3lyf6PC3FaZP7YxZ2G8OAtn9p4HI9j9JLP9qjOGZFvyl8uwNT8qM+hGnz/n16NI7oA=="
+    },
     "path-exists": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -5773,6 +6099,11 @@
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
       "dev": true
     },
+    "pause": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/pause/-/pause-0.0.1.tgz",
+      "integrity": "sha512-KG8UEiEVkR3wGEb4m5yZkVCzigAD+cVEJck2CzYZO37ZGJfctvVptVO192MwrtPhzONn6go8ylnOdMhKqi4nfg=="
+    },
     "picocolors": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
@@ -5796,6 +6127,11 @@
         "pathe": "^1.1.0"
       }
     },
+    "pkginfo": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/pkginfo/-/pkginfo-0.2.3.tgz",
+      "integrity": "sha512-7W7wTrE/NsY8xv/DTGjwNIyNah81EQH0MWcTzrHL6pOpMocOGZc0Mbdz9aXxSrp+U0mSmkU8jrNCDCfUs3sOBg=="
+    },
     "postcss": {
       "version": "8.4.35",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.35.tgz",
@@ -5854,6 +6190,11 @@
         "side-channel": "^1.0.4"
       }
     },
+    "random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ=="
+    },
     "range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -6262,6 +6603,19 @@
       "integrity": "sha512-MvlCc4GHrmZdAllBc0iUDowff36Q9Ndw/UzqmEKyrfSzokTd9ZCy1i+IIk5hrYKkjoYVQyNbrw7/F8XJ2rEwTg==",
       "dev": true
     },
+    "uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "requires": {
+        "random-bytes": "~1.0.0"
+      }
+    },
+    "uid2": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.4.tgz",
+      "integrity": "sha512-IevTus0SbGwQzYh3+fRsAMTVVPOoIVufzacXcHPmdlle1jUpq7BRL+mw3dgeLanvGZdwwbWhRV6XrcFNdBmjWA=="
+    },
     "undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
diff --git a/package.json b/package.json
index b1b4e0c..268b113 100644
--- a/package.json
+++ b/package.json
@@ -24,8 +24,12 @@
     "ejs": "^3.1.9",
     "elastic-builder": "^2.18.0",
     "express": "^4.18.2",
+    "express-session": "^1.18.0",
     "jsonld": "^8.1.1",
-    "multer": "^1.4.5-lts.1"
+    "multer": "^1.4.5-lts.1",
+    "passport": "^0.7.0",
+    "passport-mediawiki-oauth": "^0.1.0",
+    "passport-oauth2": "^1.8.0"
   },
   "devDependencies": {
     "@types/jest": "^29.5.0",
diff --git a/public/img/orcid.svg b/public/img/orcid.svg
new file mode 100644
index 0000000..2bddf44
--- /dev/null
+++ b/public/img/orcid.svg
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 256 256" style="enable-background:new 0 0 256 256;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#A6CE39;}
+	.st1{fill:#FFFFFF;}
+</style>
+<path class="st0" d="M256,128c0,70.7-57.3,128-128,128C57.3,256,0,198.7,0,128C0,57.3,57.3,0,128,0C198.7,0,256,57.3,256,128z"/>
+<g>
+	<path class="st1" d="M86.3,186.2H70.9V79.1h15.4v48.4V186.2z"/>
+	<path class="st1" d="M108.9,79.1h41.6c39.6,0,57,28.3,57,53.6c0,27.5-21.5,53.6-56.8,53.6h-41.8V79.1z M124.3,172.4h24.5
+		c34.9,0,42.9-26.5,42.9-39.7c0-21.5-13.7-39.7-43.7-39.7h-23.7V172.4z"/>
+	<path class="st1" d="M88.7,56.8c0,5.5-4.5,10.1-10.1,10.1c-5.6,0-10.1-4.6-10.1-10.1c0-5.6,4.5-10.1,10.1-10.1
+		C84.2,46.7,88.7,51.3,88.7,56.8z"/>
+</g>
+</svg>
\ No newline at end of file
diff --git a/public/img/wikimedia.svg b/public/img/wikimedia.svg
new file mode 100644
index 0000000..53a3d3d
--- /dev/null
+++ b/public/img/wikimedia.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
+  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="-599 -599 1198 1198">
+  <defs>
+    <clipPath id="a">
+      <path d="M47.5-87.5v425h-95v-425l-552-552v1250h1199v-1250z"/>
+    </clipPath>
+  </defs>
+  <g clip-path="url(#a)">
+    <circle r="336.5" fill="#396"/>
+    <circle r="480.25" fill="none" stroke="#069" stroke-width="135.5"/>
+  </g>
+  <circle cy="-379.5" r="184.5" fill="#900"/>
+</svg>
\ No newline at end of file
diff --git a/public/index.ejs b/public/index.ejs
index 0850762..eefb620 100644
--- a/public/index.ejs
+++ b/public/index.ejs
@@ -34,10 +34,29 @@
         <div class="uploadForm">
           <form action="/upload" enctype="multipart/form-data" method="post">
             <div class="form-group">
-              <label for="account">Account for Dataset
-                  <a title="Please provide the same account for all your uploads. The account is part of the reconcile service url.">❓</a>
-              </label>
-              <input type="text" id="account" name="account" required />
+              <label>
+                  <% if(data?.user?.id){ %>
+                  <p>Logged in 
+                    <%if(data.user.authProvider === "wikimedia") {%>
+                      <img src="img/wikimedia.svg" alt="wikimedia" style="height: 1em; vertical-align: middle;">
+                    <% } else{ %>
+                      <img src="img/orcid.svg" alt="orcid" style="height: 1em; vertical-align: middle;">
+                    <% } %>
+                    (<a href="/logout">Logout</a>)
+                  </p>
+                  <% } else{ %>
+                    <span>Login with</span>
+                    <a href="/auth/mediawiki">Wikimedia</a> 
+                    <img src="img/wikimedia.svg" alt="wikimedia" style="height: 1em; vertical-align: middle;">
+                    <span>or</span>
+                    <a href="/auth/orcid">ORCID</a> 
+                    <img src="img/orcid.svg" alt="orcid" style="height: 1em; vertical-align: middle;">
+                    <span>to provide an account for your dataset</span>
+                    <a title="Please provide the same account for all your uploads. The account is part of the reconcile service url.">❓</a>
+                  <% } %>
+                  </label>
+                <input style="display: none" name="account" id="account" value="<%- data?.user?.id %>" />
+
               <label for="language">Language to use for Reconciliation
                 <a title="Reconciliation is done against a specific language. So tell us what language of your vocabulary we should use.">❓</a>
                 </label>
@@ -114,7 +133,7 @@
 
 <script>
   const uploadForm = document.querySelector(".uploadForm")
-  const account = document.querySelector("#account")
+  const account = <%-JSON.stringify(data)%>
   const language = document.querySelector("#language")
   const file_upload = document.querySelector("#file_upload")
   const fileUrl = document.querySelector("#fileUrl")
@@ -130,10 +149,29 @@
 
   const buildReconcileUrl = (serviceUrl, account, dataset, language) => `${serviceUrl}/reconcile?language=${language}&account=${account}&dataset=${dataset}`
 
-  id.value = crypto.randomUUID()
+  // crypto.randomUUID() is only available in https contextx or localhost / 127.0.0.1
+  // therefore I took this uuid function from https://stackoverflow.com/a/8809472
+  const generateUUID = () => {
+  let
+    d = new Date().getTime(),
+    d2 = ((typeof performance !== 'undefined') && performance.now && (performance.now() * 1000)) || 0;
+    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
+      let r = Math.random() * 16;
+      if (d > 0) {
+        r = (d + r) % 16 | 0;
+        d = Math.floor(d / 16);
+      } else {
+        r = (d2 + r) % 16 | 0;
+        d2 = Math.floor(d2 / 16);
+      }
+      return (c == 'x' ? r : (r & 0x7 | 0x8)).toString(16);
+    });
+  };
+
+  id.value = generateUUID()
 
   function disableSubmit() {
-    if (account.value.length > 0 && language.value.length > 0 && (file_upload.value.length > 0 || fileUrl.value.length > 0)) {
+    if (account?.user?.id && language.value.length > 0 && (file_upload.value.length > 0 || fileUrl.value.length > 0)) {
       submit.removeAttribute("disabled")
     } else {
       submit.setAttribute("disabled", "disabled")
@@ -162,10 +200,6 @@
     input.reportValidity();
   }
 
-  account.addEventListener("input", (e) => {
-    disableSubmit()
-  })
-
   language.addEventListener("input", (e) => {
     validateInput()
     disableSubmit()
diff --git a/src/config.js b/src/config.js
index 2d312f5..5430555 100644
--- a/src/config.js
+++ b/src/config.js
@@ -11,6 +11,18 @@ export const config = {
   es_pass: process.env.ES_PASSWORD,
   es_index: process.env.ES_INDEX,
   reconcile_service_url: process.env.RECONCILE_SERVICE_URL,
+  publish_service_url: process.env.PUBLISH_SERVICE_URL,
+  wikimedia_auth_url: process.env.WIKIMEDIA_AUTH_URL,
+  wikimedia_token_url: process.env.WIKIMEDIA_TOKEN_URL,
+  wikimedia_id: process.env.WIKIMEDIA_ID,
+  wikimedia_secret: process.env.WIKIMEDIA_SECRET,
+  orcid_auth_url: process.env.ORCID_AUTH_URL,
+  orcid_token_url: process.env.ORCID_TOKEN_URL,
+  orcid_getuser_url: process.env.ORCID_GETUSER_URL,
+  orcid_id: process.env.ORCID_ID,
+  orcid_secret: process.env.ORCID_SECRET,
+  contact_mail: process.env.CONTACT_MAIL,
+  session_secret: process.env.SESSION_SECRET,
 }
 
 if (result.error) {
diff --git a/src/index.js b/src/index.js
index c05d8e0..65fd579 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,8 +1,11 @@
 import express from "express";
+import session from "express-session";
 import multer from "multer";
 import fs from "fs";
 import { publishToReconciliation } from "./publishToReconciliation/index.js";
 import { config } from "./config.js";
+import passport from "passport"
+import OAuth2Strategy from "passport-oauth2";
 
 const app = express();
 // Serve static files from the public directory
@@ -31,14 +34,124 @@ const storage = multer.diskStorage({
 const upload = multer({ storage: storage, });
 
 app.use(express.static("public"));
+app.use(session({
+  secret: config.session_secret,
+  resave: false,
+  saveUninitialized: true,
+}));
+
+app.use(passport.initialize());
+app.use(passport.session());
+
+// wikimedia oauth
+passport.use("wikimedia", new OAuth2Strategy({
+  authorizationURL: config.wikimedia_auth_url,
+  tokenURL: config.wikimedia_token_url,
+  clientID: config.wikimedia_id,
+  clientSecret: config.wikimedia_secret,
+  callbackURL: `${config.publish_service_url}/wiki/callback`
+},
+  function(accessToken, refreshToken, profile, cb) {
+    const url = 'https://meta.wikimedia.org/w/api.php?action=query&meta=userinfo&format=json';
+    const options = {
+      method: 'GET',
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+        'User-Agent': `SkoHub-Reconcile/1.0 (${config.contact_mail})`
+      }
+    };
+    fetch(url, options)
+      .then(response => response.json())
+      .then(({ query: { userinfo } }) => {
+        cb(null, {
+          id: userinfo.id,
+          authProvider: "wikimedia"
+        }
+        )
+      })
+      .catch(error => console.error('Error fetching user info:', error));
+  }
+));
+
+// orcid oauth
+passport.use("orcid", new OAuth2Strategy({
+  authorizationURL: config.orcid_auth_url,
+  tokenURL: config.orcid_token_url,
+  clientID: config.orcid_id,
+  clientSecret: config.orcid_secret,
+  callbackURL: `${config.publish_service_url}/orcid/callback`
+},
+  function(accessToken, refreshToken, profile, cb) {
+    const url = config.orcid_getuser_url;
+    const options = {
+      method: 'GET',
+      headers: {
+        Accept: "application/json",
+        Authorization: `Bearer ${accessToken}`,
+        'User-Agent': `SkoHub-Reconcile/1.0 (${config.contact_mail})`
+      }
+    };
+
+    fetch(url, options)
+      .then(response => response.json())
+      .then(data => {
+        cb(null, {
+          id: data.sub,
+          authProvider: "orcid"
+        }
+        )
+      })
+      .catch(error => console.error('Error fetching user info:', error));
+  }
+));
+
+passport.serializeUser(async (user, done) => {
+  done(null, user);
+});
+
+passport.deserializeUser(async (user, done) => {
+  done(null, user);
+})
 
 app.get("/", (req, res) => {
   const data = {
-    reconcileUrl: config.reconcile_service_url
+    reconcileUrl: config.reconcile_service_url,
+    user: req.user
   }
   res.render("index", { data });
 });
 
+app.get('/auth/mediawiki',
+  passport.authenticate('wikimedia'));
+
+app.get('/wiki/callback',
+  passport.authenticate('wikimedia', { failureRedirect: '/' }),
+  function(req, res) {
+    res.redirect('/');
+  });
+
+app.get('/auth/orcid',
+  passport.authenticate('orcid', {
+    scope: ["openid"],
+    response_type: "code",
+    successRedirect: "/orcid/callback"
+  }));
+
+app.get('/orcid/callback',
+  passport.authenticate('orcid', { failureRedirect: '/' }),
+  function(req, res) {
+    res.redirect('/');
+  });
+
+app.get('/logout',
+  function(req, res) {
+    const data = {
+      reconcileUrl: config.reconcile_service_url,
+      user: null
+    }
+    res.render("index", { data });
+  });
+
 app.post(
   "/upload",
   upload.single("uploaded_file"),