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(PowerShell) Outlook --Download Attachments for a Specific MessageSee more Outlook ExamplesDemonstrates how to download the attachments for a particular email message. Note: This example requires Chilkat v9.5.0.67 or greater. This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll" # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $http = New-Object Chilkat.Http # Use your previously obtained access token here: # See the following examples for getting an access token: # Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint). # Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint). # Refresh Access Token (Azure AD v2.0 Endpoint). # Refresh Access Token (Azure AD Endpoint). $http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN" $sbResponse = New-Object Chilkat.StringBuilder # Sends: GET /users/{user_id | userPrincipalName}/messages/{message_id}/attachments # Note: It is also possible to use the literal string "me" for the current logged-on user. # For example: GET /me/messages/{message_id}/attachments $http.ClearUrlVars() $http.SetUrlVar("userPrincipalName","chilkatsoft@outlook.com") # Assume we already have a message ID from previously listing the messages in a folder $messageId = "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAA==" $http.SetUrlVar("message_id",$messageId) # Send the request to download the attachments. $success = $http.QuickGetSb("https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments",$sbResponse) if (($success -ne $true) -and ($http.LastStatus -eq 0)) { $($http.LastErrorText) exit } # The attachment data is contained within the JSON response. $json = New-Object Chilkat.JsonObject $json.LoadSb($sbResponse) $json.EmitCompact = $false $("Status code = " + $http.LastStatus) if ($http.LastStatus -ne 200) { $($json.Emit()) $("Failed.") } # This is a sample JSON response. The code for parsing and extracting/saving the attachments # is shown below. # { # "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('chilkatsoft%40outlook.com')/messages('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAA%3D%3D')/attachments", # "value": [ # { # "@odata.type": "#microsoft.graph.fileAttachment", # "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAAESABAAft6wtbaSJU6sgQLi98DI0Q==", # "lastModifiedDateTime": "2017-05-10T00:30:51Z", # "name": "fishing.pdf", # "contentType": "application/pdf", # "size": 295680, # "isInline": false, # "contentId": "F861B218BE380F44B16933097FDDACFC@namprd20.prod.outlook.com", # "contentLocation": null, # "contentBytes": "JVBERi0xLjMKJcfsj6 ... yZWYKMjk0MzY5CiUlRU9GCg==" # }, # { # "@odata.type": "#microsoft.graph.fileAttachment", # "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAADn68XtMop0TpsYJGpfKXY9AAAAwSju2wAAAAESABAAXS7qXQ-iRUCYXnhJpN8Ihg==", # "lastModifiedDateTime": "2017-05-10T00:30:51Z", # "name": "testCert.cer", # "contentType": "application/octet-stream", # "size": 1674, # "isInline": false, # "contentId": "5E51FA33EF0F8941ACC8260395CB1A33@namprd20.prod.outlook.com", # "contentLocation": null, # "contentBytes": "MIIFRjCCBC6gAwIBA ... 7pt3C5w==" # } # ] # } $sbSavePath = New-Object Chilkat.StringBuilder $attachData = New-Object Chilkat.BinData $lastMod = New-Object Chilkat.CkDateTime $fac = New-Object Chilkat.FileAccess $i = 0 $numMessages = $json.SizeOfArray("value") while ($i -lt $numMessages) { $json.I = $i $("name: " + $json.StringOf("value[i].name")) $("contentType: " + $json.StringOf("value[i].contentType")) $sizeInBytes = $json.IntOf("value[i].size") $("size: " + $sizeInBytes) # Extract the data and save to a file. $sbSavePath.SetString("qa_output/") $sbSavePath.Append($json.StringOf("value[i].name")) $attachData.Clear() $attachData.AppendEncoded($json.StringOf("value[i].contentBytes"),"base64") $attachData.WriteFile($sbSavePath.GetAsString()) # Get the last-modified date/time and set the output file's last-mod date/time.. $lastMod.SetFromTimestamp($json.StringOf("value[i].lastModifiedDateTime")) $fac.SetLastModified($sbSavePath.GetAsString(),$lastMod) $("----") $i = $i + 1 } # The output of the above loop is: # # name: fishing.pdf # contentType: application/pdf # size: 295680 # ---- # name: testCert.cer # contentType: application/octet-stream # size: 1674 # ---- # |
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