public fun createObtainRequestTokenHeader()

in ktor-features/ktor-auth/jvm/src/io/ktor/auth/OAuth1a.kt [191:253]

• 51 lines of code
• 1 McCabe index (conditional complexity)

public fun createObtainRequestTokenHeader(
    callback: String,
    consumerKey: String,
    nonce: String,
    timestamp: LocalDateTime = LocalDateTime.now()
): HttpAuthHeader.Parameterized = HttpAuthHeader.Parameterized(
    authScheme = AuthScheme.OAuth,
    parameters = mapOf(
        HttpAuthHeader.Parameters.OAuthCallback to callback,
        HttpAuthHeader.Parameters.OAuthConsumerKey to consumerKey,
        HttpAuthHeader.Parameters.OAuthNonce to nonce,
        HttpAuthHeader.Parameters.OAuthSignatureMethod to "HMAC-SHA1",
        HttpAuthHeader.Parameters.OAuthTimestamp to timestamp.toEpochSecond(ZoneOffset.UTC).toString(),
        HttpAuthHeader.Parameters.OAuthVersion to "1.0"
    )
)

/**
 * Create an HTTP auth header for OAuth1a upgrade token request
 */
@KtorExperimentalAPI
public fun createUpgradeRequestTokenHeader(
    consumerKey: String,
    token: String,
    nonce: String,
    timestamp: LocalDateTime = LocalDateTime.now()
): HttpAuthHeader.Parameterized = HttpAuthHeader.Parameterized(
    authScheme = AuthScheme.OAuth,
    parameters = mapOf(
        HttpAuthHeader.Parameters.OAuthConsumerKey to consumerKey,
        HttpAuthHeader.Parameters.OAuthToken to token,
        HttpAuthHeader.Parameters.OAuthNonce to nonce,
        HttpAuthHeader.Parameters.OAuthSignatureMethod to "HMAC-SHA1",
        HttpAuthHeader.Parameters.OAuthTimestamp to timestamp.toEpochSecond(ZoneOffset.UTC).toString(),
        HttpAuthHeader.Parameters.OAuthVersion to "1.0"
    )
)

/**
 * Sign an HTTP auth header
 */
@KtorExperimentalAPI
public fun HttpAuthHeader.Parameterized.sign(
    method: HttpMethod,
    baseUrl: String,
    key: String,
    parameters: List<Pair<String, String>>
): HttpAuthHeader.Parameterized = withParameter(
    HttpAuthHeader.Parameters.OAuthSignature,
    signatureBaseString(this, method, baseUrl, parameters.toHeaderParamsList()).hmacSha1(key)
)

/**
 * Build an OAuth1a signature base string as per RFC
 */
@KtorExperimentalAPI
public fun signatureBaseString(
    header: HttpAuthHeader.Parameterized,
    method: HttpMethod,
    baseUrl: String,
    parameters: List<HeaderValueParam>
): String = listOf(method.value.toUpperCasePreservingASCIIRules(), baseUrl, parametersString(header.parameters + parameters))
    .joinToString("&") { it.encodeURLParameter() }