http://stackoverflow.com/questions/11696944/powershell-v3-invoke-webrequest-https-error

List Azure File Shared Storage using the REST API and Powershell

This example demonstrates how to list Azure File Shared Storage contents using the REST API and PowerShell. It constructs a signed request by building a canonicalized signature string with the account key and HMAC-SHA256 encryption, then sends a GET request through `Invoke-RestMethod`. The code explicitly sets required headers such as `x-ms-date`, `x-ms-version`, and `Authorization`, and outputs the signature for inspection. The script uses PowerShell’s `System.Security.Cryptography.HMACSHA256` and `System.Uri` classes to compute authentication and parse the endpoint.

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Power Query CurrentUser via a lightweight PowerShell HTTP API

This example demonstrates how Power Query can obtain the current Windows user by querying a lightweight PowerShell HTTP API. It shows the result of a `whoami` command wrapped in a JSON response. The Power Query code uses `Web.Contents` to call the local HTTP endpoint at `http://localhost:8888/?command=whoami`, and then parses the returned JSON with `Json.Document`. The underlying HTTP API service is built from a PowerShell script, based on the referenced blog post, which executes commands and returns their output. This approach provides a simple bridge between Power Query’s data-fetching capabilities and PowerShell’s system introspection.

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Gist d10ade16400cfea5ae8dcf371f236cd0

The example demonstrates a client-side health-check function for the Ubirch certification API, probing different deployment stages via HTTPS GET requests. It shows how to authenticate with a PFX certificate file and a hardcoded passphrase, using Node.js’s `https.Agent` with `keepAlive` enabled. The code relies on `node-fetch` for the request and `fs.readFileSync` to load the certificate, then throws errors for non-2xx status codes or empty stage names. It exports the `ping` function as a module, making it reusable across environments.

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Gist 92ed5ad616da212ef7199f955f413567

This example shows a Java client that sends a COVID-19 vaccination certificate request to a demo certification API over HTTPS, using a custom SSL keystore for mutual authentication. It first performs a GET request to the base URL, then posts a JSON test payload containing patient and test data to the `/api/certify/v2/issue` endpoint, requesting a CBOR-encoded response. The code uses Apache HttpClient 4.5’s `CloseableHttpClient`, `HttpClients.custom()`, and `SSLContexts.custom()` with a Java KeyStore, along with `StringEntity` and `ContentType` to set the JSON body. Responses, including status lines, headers, and body text, are printed to the console.

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SuperMicro IPMI Watchdog for Windows

This example demonstrates a PowerShell script that configures and repeatedly resets the IPMI watchdog timer on a SuperMicro system running Windows. It shows the low-level IPMI command sequence for setting the watchdog’s timer use, actions, and timeout values, then enters an infinite loop that resets the timer every five seconds to prevent a system hang from triggering a hardware reset. The script uses the `ipmicfg-win.exe` command-line tool via the `Raw-IPMI` function, which builds and sends raw IPMI byte arrays, and relies on PowerShell’s `Set-Variable` for constants and `Start-Sleep` for the polling interval. The watchdog is set to no action on timeout, with logging disabled, and the code explicitly defines the timer’s operating mode and flag bits per the IPMI 2.0 specification.

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Gist 66c6fc93b6a8bc4bcfc82bcb4649cc11

This example demonstrates how to submit a digitally signed health certificate (HC1) to the UVE verification API using a client-side certificate for authentication. The code sends a POST request to the `https://api.uve.demo.ubirch.com/api/uve/v1/verify` endpoint, including the PFX file and passphrase in the `agentOptions` of the request library. It logs the resulting error, HTTP response, and response body to the console. The example uses the Node.js `request` module and the built-in `fs` library to read the certificate file.

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Gist 3c568768a4a26a99f57fcfc205cdfd6c

This example demonstrates a client-side verification request for a digital health certificate, sending an encrypted payload to the Ubirch API. It shows how to authenticate with mutual TLS using a local PEM certificate and key file, then posts the certificate data as JSON. The code relies on the Node.js `request` library and the `fs` module to read the credential files, with the API endpoint configured for the `api.uve.demo.ubirch.com` host. The response body, containing the verification result, is logged to the console along with any errors.

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Gist bae6758b4e3645b55f022e6432f29458

This visualization demonstrates the interaction between R and PowerShell, showing how a system call from an R environment triggers a PowerShell script that manipulates data. The code uses the `system2` function to execute a PowerShell command with a specified file path, passing arguments to run `coolScript.ps1`. The example highlights the practical integration of two scripting environments, where R serves as the orchestrator for external process execution. The rendering relies on the command-line interface rather than graphical libraries, focusing on the workflow of invoking and managing external scripts from within an R session. The data flow is implicit in the script's execution, emphasizing interoperability over visual output.