bcquality/microsoft/knowledge/security/use-secrettext-with-httpclient.md
Jesper Schulz-Wedde 9a4198eb28 Add [all] sentinel to bc-version; apply to version-agnostic knowledge
Most of the corpus — FindSet/SetLoadFields/CalcFields patterns, permission
sets, SingleInstance codeunits, DataClassification, IsolatedStorage,
transaction scope, SecretText — describes BC platform behaviour that is
identical across supported versions. The seed [26..28] range on every
file implied a version-specificity the content does not actually have,
and there was no way to express "applies to every version" in the
schema the way [w1] and [all] already do for countries and
application-area.

Extend the v1 schema with a universal sentinel for bc-version, parallel
to the sentinels already defined for the other dimensions:

  bc-version: [all]         # applies to every BC version

[all] is mutually exclusive with explicit versions. Range shorthand
([26..28]) and explicit lists ([26, 27, 28]) continue to work for files
genuinely tied to a version-gated API or deprecation.

Update read.md (field definition, matching semantics, partial-context
rule), write.md (default to [all], use ranges only with a concrete
reason), README.md (frontmatter example), and the CI validator. All
forty existing knowledge files and the three action skills convert to
[all]; none of the current content is version-gated. Validator passes.
2026-04-23 16:00:03 +02:00

1.4 KiB

bc-version domain keywords technologies countries application-area
all
security
httpclient
secrettext
headers
uri
al
w1
all

Use SecretText with HttpClient

Description

HttpRequestMessage, HttpHeaders, and HttpContent expose SecretText overloads so credentials never have to be converted back to Text to be sent. Key APIs: HttpRequestMessage.SetSecretRequestUri (for URIs containing secrets), HttpHeaders.Add(name, SecretText) for authorization headers, HttpHeaders.ContainsSecret to probe secret-valued headers, HttpContent.WriteFrom(SecretText) for request bodies, and HttpContent.ReadAs(SecretText) to pull response bodies into a secret destination.

Best Practice

Use HttpRequestMessage.SetSecretRequestUri when any URI component is sensitive (for example, a per-call API key in the path or query), and send the request with HttpClient.Send. Add Authorization headers as SecretText. Check for the presence of a secret header with ContainsSecret, not Contains.

See sample: use-secrettext-with-httpclient.good.al.

Anti Pattern

Materializing a URI or header value as Text to 'just get it to compile' — for example, StrSubstNo into a Text and then HttpClient.Get(FullUrl, Response). The resulting Text is visible in debuggers, and the URL is typically captured by platform-level logging the extension does not control.

See sample: use-secrettext-with-httpclient.bad.al.