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fix(adapters): detect unresolved anthropic baseUrl placeholders without regex #642

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fix(adapters): detect unresolved anthropic baseUrl placeholders without regex #642

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7090f27
fix(adapters): detect unresolved anthropic baseUrl placeholders witho…
devin-ai-integration[bot] Sep 26, 2026
e0b5b87
test(adapters): pin anthropic baseUrl placeholder probe semantics
devin-ai-integration[bot] Sep 26, 2026
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5 changes: 4 additions & 1 deletion src/adapters/anthropic.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -564,7 +564,10 @@ export function applyAnthropicOAuthAuth(headers: Record<string, string>, accessT
/** The provider's Messages endpoint, refusing a base URL with an unresolved `{placeholder}`. */
export function resolveAnthropicMessagesUrl(provider: Pick<OcxProviderConfig, "baseUrl">): string {
const url = anthropicMessagesUrl(provider.baseUrl);
const unresolvedPlaceholder = url.match(/\{[^}]*\}/)?.[0];
// indexOf instead of a regex: \{[^}]*\} is quadratic on brace-only input (CodeQL js/polynomial-redos).
const openBrace = url.indexOf("{");
const closeBrace = openBrace === -1 ? -1 : url.indexOf("}", openBrace);
const unresolvedPlaceholder = closeBrace === -1 ? undefined : url.slice(openBrace, closeBrace + 1);
if (unresolvedPlaceholder) {
throw new Error(`anthropic baseUrl contains unresolved ${unresolvedPlaceholder}`);
}
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