{* ../../docs_src/security/tutorial001.py hl[6] *}

/// tip

📥 `tokenUrl="token"` 🔗 ⚖ 📛 `token` 👈 👥 🚫 ✍. ⚫️ ⚖ 📛, ⚫️ 🌓 `./token`.

↩️ 👥 ⚙️ ⚖ 📛, 🚥 👆 🛠️ 🔎 `https://example.com/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/token`. ✋️ 🚥 👆 🛠️ 🔎 `https://example.com/api/v1/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/api/v1/token`.

		}
	}
}

// getHealSequenceByToken - Retrieve a heal sequence by token. The second
// argument returns if a heal sequence actually exists.
func (ahs *allHealState) getHealSequenceByToken(token string) (h *healSequence, exists bool) {
	ahs.RLock()
	defer ahs.RUnlock()
	for _, healSeq := range ahs.healSeqMap {
		if healSeq.clientToken == token {
			return healSeq, true
		}
	}
	return nil, false
}

    }

    /**
     * Get the access token.
     * @param id The ID of the access token.
     * @return The access token.
     */
    public OptionalEntity<AccessToken> getAccessToken(final String id) {
        return accessTokenBhv.selectByPK(id);
    }

    /**
     * Store the access token.
     * @param accessToken The access token.
     */
    public void store(final AccessToken accessToken) {

/**
 * Represents a Kerberos authentication token.
 */
public class KerberosToken {

    private KerberosApRequest apRequest;

    /**
     * Constructs a KerberosToken from token bytes.
     *
     * @param token the token bytes
     * @throws PACDecodingException if token decoding fails
     */
    public KerberosToken(byte[] token) throws PACDecodingException {
        this(token, null);
    }

    /**

        final String token = accessTokenHelper.generateAccessToken();
        MockletHttpServletRequest req = getMockRequest();
        req.addHeader("Authorization", "Bearer " + token);
        assertEquals(token, accessTokenHelper.getAccessTokenFromRequest(req));
    }

    public void test_getAccessTokenFromRequest_ok1() {
        final String token = accessTokenHelper.generateAccessToken();

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when an invalid access token is encountered.
 * This exception is typically used in authentication and authorization contexts
 * where a provided access token is invalid, expired, or malformed.
 */
public class InvalidAccessTokenException extends FessSystemException {

    /** Serial version UID for serialization */

#    notify:
#      endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
#      token: "Bearer xxxxx" # optional authentication token for the notification endpoint
#
#    retry:
#      attempts: 10 # number of retries for the job before giving up
#      delay: "500ms" # least amount of delay between each retry

`

        this.targetName = targetName;
    }

    @Override
    public byte[] initSecContext(final byte[] token, final int offset, final int len) throws SmbException {
        return switch (this.state) {
        case 1 -> makeNegotiate(token);
        case 2 -> makeAuthenticate(token);
        default -> throw new SmbException("Invalid state");
        };
    }

    /**

* Die API überprüft den `username` und das `password` und antwortet mit einem „Token“ (wir haben davon noch nichts implementiert).
    * Ein „Token“ ist lediglich ein String mit einem Inhalt, den wir später verwenden können, um diesen Benutzer zu verifizieren.
    * Normalerweise läuft ein Token nach einiger Zeit ab.

We see that we are going to need some dependencies used in several places of the application.

So we put them in their own `dependencies` module (`app/dependencies.py`).

We will now use a simple dependency to read a custom `X-Token` header:

//// tab | Python 3.9+

```Python hl_lines="3  6-8" title="app/dependencies.py"
{!> ../../docs_src/bigger_applications/app_an_py39/dependencies.py!}
```

////

//// tab | Python 3.8+