</div>

## ✅ ⚫️

🚶 🎓 🩺: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

👆 🔜 👀 🕳 💖 👉:

<img src="/img/tutorial/security/image01.png">

/// check | "✔ 🔼 ❗"

👆 ⏪ ✔️ ✨ 🆕 "✔" 🔼.

 &amp; 👆 *➡ 🛠️* ✔️ 🐥 🔒 🔝-▶️️ ↩ 👈 👆 💪 🖊.

///

&amp; 🚥 👆 🖊 ⚫️, 👆 ✔️ 🐥 ✔ 📨 🆎 `username` &amp; `password` (&amp; 🎏 📦 🏑):

	caDataSecret := secretTyped.
		GetValidationContext().
		GetTrustedCa().
		GetInlineBytes()

	// seems as though the most straightforward way to tell whether this is a root ca or not
	// is to check whether the inline bytes of the cert chain or the trusted ca field is zero length
	if len(certChainSecret) > 0 {
		builder.Data(string(certChainSecret))
	} else if len(caDataSecret) > 0 {
		builder.Data(string(caDataSecret))

labels.configId=Config ID
labels.configParameter=Config Parameters
labels.content=Content
labels.csvFileEncoding=CSV Encoding
labels.defaultLabelValue=Default Label
labels.designFileName=File Name
labels.incrementalCrawling=Check Last Modified
labels.errorCount=Error Count
labels.errorLog=Error Log
labels.errorName=Error Name
labels.expiredTime=Expired
labels.expires=Expired
labels.failureCountThreshold=Failure Count

import com.google.common.collect.testing.MapInterfaceTest;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@link Maps#transformValues} when the backing map's views have iterators that don't
 * support {@code remove()}.
 *
 * @author Jared Levy
 */
@GwtCompatible

import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Implementation of {@link Multimaps#filterEntries(Multimap, Predicate)}.
 *
 * @author Jared Levy
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

import org.junit.jupiter.api.extension.AfterEachCallback
import org.junit.jupiter.api.extension.BeforeEachCallback
import org.junit.jupiter.api.extension.ExtensionContext

/**
 * Apply this rule to all tests. It adds additional checks for leaked resources and uncaught
 * exceptions.
 *
 * Use [newClient] as a factory for a OkHttpClient instances. These instances are specifically
 * configured for testing.
 */

import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.nio.CharBuffer;
import java.util.Arrays;
import java.util.logging.Logger;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * {@link SourceSinkFactory} implementations.
 *
 * @author Colin Decker
 */
public class SourceSinkFactories {

  private SourceSinkFactories() {}

```

////

//// tab | Python 3.8+

```Python hl_lines="4  10"
{!> ../../docs_src/body_nested_models/tutorial005.py!}
```

////

The string will be checked to be a valid URL, and documented in JSON Schema / OpenAPI as such.

## Attributes with lists of submodels

You can also use Pydantic models as subtypes of `list`, `set`, etc.:

//// tab | Python 3.10+

pkg go/types, method (*Alias) String() string #63223
pkg go/types, method (*Alias) Underlying() Type #63223
pkg go/types, method (*Info) PkgNameOf(*ast.ImportSpec) *PkgName #62037
pkg go/types, method (Checker) PkgNameOf(*ast.ImportSpec) *PkgName #62037
pkg go/types, type Alias struct #63223
pkg go/types, type Info struct, FileVersions map[*ast.File]string #62605
pkg go/version, func Compare(string, string) int #62039

  fun successfulCheckSha1Pin() {
    val certificatePinner =
      CertificatePinner.Builder()
        .add("example.com", "sha1/" + certA1.certificate.sha1Hash().base64())
        .build()

    certificatePinner.check("example.com", listOf(certA1.certificate))
  }

  @Test fun successfulFindMatchingPins() {
    val certificatePinner =
      CertificatePinner.Builder()
        .add("first.com", certA1Sha256Pin, certB1Sha256Pin)