Finished with Workers, now on to R2
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TomDo1234
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@ -115,120 +115,9 @@ free requests per day and 10 milliseconds of CPU time per invocation.
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1) If you do not have an account, create a new account[^7].
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#### Create Project ZIP
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### Setting up the Project and Testing
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1) Create a new folder and download [`index.js`](pathname:///Cloudflare/index.js):
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```bash
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mkdir -p SheetJSLambda
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cd SheetJSLambda
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curl -LO https://docs.sheetjs.com/Cloudflare/index.js
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```
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2) Install dependencies in the project directory;
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<CodeBlock language="bash">{`\
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mkdir -p node_modules
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npm i https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz busboy`}
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</CodeBlock>
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3) Create a .zip package of the contents of the folder:
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```bash
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yes | zip -c ../SheetJSLambda.zip -r .
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```
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#### Lambda Setup
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4) Sign into the [Cloudflare Management Console](https://Cloudflare.amazon.com/console/) with
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a root user account.
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5) Type "Lambda" in the top search box and click Lambda (under Services).
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6) Open "Functions" in the left sidebar.
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If the left sidebar is not open, click the `≡` icon in the left edge of the page.
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7) Click the "Create function" button in the main panel.
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8) Select the following options:
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- In the top list, select "Author from scratch" (default choice)
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- Type a memorable "Function Name" ("SheetJSLambda" when last tested)
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- In the "Runtime" dropdown, look for the "Latest supported" section and select
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"Node.js" ("Node.js 18.x" when last tested)
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- Expand "Advanced Settings" and check "Enable function URL". This will display
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a few sub-options:
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+ "Auth type" select "NONE" (disable IAM authentication)
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+ Check "Configure cross-origin resource sharing (CORS)"
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9) Click "Create function" to create the function.
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#### Upload Code
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10) In the Interface, scroll down and select the "Code" tab.
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11) Click the "Upload from" dropdown and select ".zip file".
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12) Click the "Upload" button in the modal. With the file picker, select the
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`SheetJSLambda.zip` file created in step 3. Click "Save".
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:::note pass
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When the demo was last tested, the ZIP was small enough that the Lambda code
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editor will load the package.
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:::
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13) In the code editor, double-click `index.js` and confirm the code editor
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displays JavaScript code.
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#### External Access
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14) Click "Configuration" in the tab list.
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15) In the sidebar below the tab list, select "Function URL" and click "Edit".
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16) Set the "Auth type" to "NONE" and click Save. The page will redirect to the
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Function properties.
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17) Select the "Configuration" tab and select "Permissions" in the left sidebar.
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18) Scroll down to "Resource-based policy statements" and ensure that
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`FunctionURLAllowPublicAccess` is listed.
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If no policy statements are defined, select "Add Permission" with the options:
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- Select "Function URL" at the top
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- Auth type: NONE
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- Ensure that Statement ID is set to `FunctionURLAllowPublicAccess`
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- Ensure that Principal is set to `*`
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- Ensure that Action is set to `lambda:InvokeFunctionUrl`
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Click "Save" and a new Policy statement should be created.
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#### Lambda Testing
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19) Find the Function URL (It is in the "Function Overview" section).
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20) Try to access the function URL in a web browser.
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The site will attempt to download `SheetJSLambda.xlsx`. Save and open the file
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to confirm it is valid.
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21) Download <https://sheetjs.com/pres.numbers> and make a POST request to the
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public function URL.
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This can be tested on the command line. Change `FUNCTION_URL` in the commands:
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```bash
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curl -LO https://sheetjs.com/pres.numbers
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curl -X POST -F "upload=@pres.numbers" FUNCTION_URL
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```
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The terminal will display CSV output of the first sheet.
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[The Cloudflare Docs provide a simple step by step guide to setup, develop, test, build and deploy your project](https://developers.cloudflare.com/workers/get-started/guide/)
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## Cloudflare R2
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