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Unless otherwise configured, the client libraries use Application Default Credentials to authenticate with Google Cloud Services. While this works for most applications, in some cases you may need to override this default. You can do so by providing the UnifiedCredentialsOption The following example shows how to explicitly load a service account key file:
[](std::string const& keyfile){ auto is = std::ifstream(keyfile); is.exceptions(std::ios::badbit);// Minimal error handling in examples auto contents = std::string(std::istreambuf_iterator<char>(is.rdbuf()),{}); auto options = google::cloud::Options{}.set<google::cloud::UnifiedCredentialsOption>( google::cloud::MakeServiceAccountCredentials(contents)); return google::cloud::webrisk_v1::WebRiskServiceClient( google::cloud::webrisk_v1::MakeWebRiskServiceConnection(options)); }
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["This webpage provides a list of WebRisk C++ client library versions, ranging from the latest release candidate `2.37.0-rc` down to version `2.11.0`."],["The page explains how to override the default authentication credentials used by the client libraries through the `UnifiedCredentialsOption`."],["The provided example demonstrates how to load credentials from a service account key file to override the default authentication."],["For managing service account keys, the content advises consulting the \"Best practices for managing service account keys\" guide."],["Additional details on creating `google::cloud::Credentials` objects can be found in the \"Authentication Components\" section."]]],[]]
