Msgraph - download .eml as itemAttachment from msgraph api

Question

I got method called createObjectFromNotification that creates email from notification resource.url sample https://graph.microsoft.com/v1.0/me/messages/AQMkAGFkYmM2YzJiLTM3OTItNDE0ZS1iMmIw

we get the message attachment in the same api call then filter file attachement , item attachment I create file attachment from contentBytes but I made extra call to get item attachment

GET /users/{id}/messages/{id}/attachments/{id}/$value

Ref https://learn.microsoft.com/en-us/graph/outlook-get-mime-message but I got the file truncated I will show example below and pieces of my code

private async createObjectFromNotification(resource: EmailResource) {
      const email = await this.repository.getEmail(resource.url);
   .... etc
  }

public async getEmail(url: string): Promise<IncomingEmailInfo> {
    const result: MSGraph.Message = await this.getResource(url, {
      select: [
        "uniqueBody",
        "body",
        "sender",
        "toRecipients",
        "ccRecipients",
        "bccRecipients",
        "createdDateTime",
        "subject",
        "conversationId",
        "hasAttachments",
      ],
      expand: ["attachments"],
    });

    var attachments =
      result?.attachments
        .filter((attachment) => MSGraph.isFileAttachment(attachment))
        .map(
          (attachment): EmailAttachment => {
            return {
              name: attachment.name,
              cid: attachment.contentId,
              content: (attachment as MSGraph.FileAttachment).contentBytes,
              contentType: attachment.contentType,
              isInline: attachment.isInline,
            };
          }
        ) ?? [];

    await Promise.all(
      result?.attachments
        .filter(
          (attachment) =>
            attachment["@odata.type"] === "#microsoft.graph.itemAttachment"
        )
        .map(async (attachment) => {
          const res = await this.getResource(
            `${url}/attachments/${attachment.id}/$value`,
            {}
          );
          console.log("result ", res);
          attachments.push({
            name: attachment.name,
            cid: attachment.id,
            content: res,
            contentType: attachment.contentType,
            isInline: attachment.isInline,
          });
        })
    );

    return {
      id: result.id,
      from: result.sender.emailAddress.address,
      to: result.toRecipients.map((to) => to.emailAddress.address),
      cc: result.ccRecipients.map((cc) => cc.emailAddress.address),
      bcc: result.bccRecipients.map((bcc) => bcc.emailAddress.address),
      subject: result.subject,
      body: result.body.content,
      uniqueBody: result.uniqueBody.content,
      bodyType: result.body.contentType,
      conversationId: result.conversationId,
      attachments,
    };
  }

public async getResource(
    resource: string,
    params: {
      select?: string[];
      expand?: string[];
      filter?: string[];
      top?: number;
    }
  ) {
    const selectString = (params.select ?? []).join(",");
    const expandString = (params.expand ?? []).join(",");
    const filterString = (params.filter ?? []).join(",");
    const top = params.top ?? 10;

    const result = await this.axios.get(resource, {
      params: {
        select: selectString,
        expand: expandString,
        filter: filterString,
        top: top,
      },
      headers: {
        ...(await this.getAuthHeaders()),
        Prefer: "outlook.body-content-type='html'",
      },
    });
    return result.data;
  }

Mime file .eml

Received-SPF: Pass (protection.outlook.com: domain of circleci.com designates
 166.78.70.105 as permitted sender) receiver=protection.outlook.com;
 client-ip=166.78.70.105; helo=m70-105.mailgun.net;
Sender: builds@circleci.com
Date: Wed, 7 Oct 2020 14:25:54 +0000 (UTC)
From: CircleCI Builds <builds@circleci.com>
To: Bill Smith <billysmithsolutions@gmail.com>, Mina
 <mina.fawzy@berwickinsurance.com>, James Taylor <james77taylor@gmail.com>,
 elilondon <eli.london@yahoo.com>, Keith Gonyon <kgonyon@gmail.com>
Message-Id: <pruJDCxRI6yvrHRe4rhTQ.1602080754888@postal.circle-legacy-notifier-v1-d744c6cc9-wxpzz>
Subject: [Workflow] Failed: berwickinsurance/BerwickAgencyDashboards on
 master / build-deploy-staging (89847f4)
Content-Type: multipart/alternative; boundary="----=_Part_766_1718740841.1602080754887"
User-Agent: postal/2.0.3
X-MS-Exchange-Organization-ExpirationStartTime: 07 Oct 2020 14:25:56.4288
 (UTC)
X-MS-Exchange-Organization-ExpirationStartTimeReason: OriginalSubmit
X-MS-Exchange-Organization-ExpirationInterval: 1:00:00:00.0000000
X-MS-Exchange-Organization-ExpirationIntervalReason: OriginalSubmit
X-MS-Exchange-Organization-Network-Message-Id:
 a3204c6e-0b22-4756-e379-08d86acce797
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: e65bc842-237f-4291-9d3f-746dd87042eb:0
X-MS-Exchange-Organization-MessageDirectionality: Incoming
X-MS-PublicTrafficType: Email
X-MS-Exchange-Organization-AuthSource:
 DM6NAM11FT046.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-Organization-AuthAs: Anonymous
X-MS-Office365-Filtering-Correlation-Id: a3204c6e-0b22-4756-e379-08d86acce797
X-MS-TrafficTypeDiagnostic: MN2PR12MB4453:
X-MS-Oob-TLC-OOBClassifiers: OLM:114;
X-MS-Exchange-Organization-SCL: 1
X-Microsoft-Antispam: BCL:1;
X-Forefront-Antispam-Report:
 CIP:166.78.70.105;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:m70-105.mailgun.net;PTR:m70-105.mailgun.net;CAT:NONE;SFS:(4636009)(286005)(2160300002)(966005)(7846003)(1096003)(9686003)(26005)(110136005)(166002)(83380400001)(956004)(356005)(19810500001)(336012)(33964004)(8676002)(7636003)(83080400001)(7596003)(7066003)(131040200001);DIR:INB;
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Oct 2020 14:25:56.0321
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: a3204c6e-0b22-4756-e379-08d86acce797
X-MS-Exchange-CrossTenant-Id: e65bc842-237f-4291-9d3f-746dd87042eb
X-MS-Exchange-CrossTenant-AuthSource:
 DM6NAM11FT046.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4453
X-MS-Exchange-Transport-EndToEndLatency: 00:00:02.3920579
X-MS-Exchange-Processed-By-BccFoldering: 15.20.3433.045
X-Microsoft-Antispam-Mailbox-Delivery:
 ucf:0;jmr:0;auth:0;dest:I;ENG:(20160514016)(750128)(520011016)(944506458)(944626604);
X-Microsoft-Antispam-Message-Info:
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MIME-Version: 1.0

------=_Part_766_1718740841.1602080754887
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Author: Bill Smith <billy.smith@berwickinsurance.com>
Triggerer: Ghostdog6
Status: Failed
Project: https://circleci.com/gh/berwickinsurance/workflows/BerwickAgencyDashboards
Workflow: https://circleci.com/workflow-run/aba23660-f46e-4ec1-8b7a-e1c2dc9946aa
Branch:
https: //circleci.com/gh/berwickinsurance/workflows/BerwickAgencyDashboards/tree/master
Commits:
build-deploy-1: Failed
https: //circleci.com
https: //twitter.com/circleci


------=_Part_766_1718740841.1602080754887
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        padding: 0 !important
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    h1, h2, h3, h4 {
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        padding: 10px !important
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        width: 100% !important
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    }</style></head>
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                <tr style=3D"box-sizing:border-box; font-size:14px; margin:=
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UPDATE I tested with postman the same result

Just to isolate the issue i would try the same Graph API call in POSTMAN or with Microsoft Graph Explorer to see if it works or not. — Dev, Nov 17 '20 at 16:43
You can try this: GET https://graph.microsoft.com/v1.0/me/messages('AAMkADA1M-zAAA=')/attachments('AAMkADA1M-CJKtzmnlcqVgqI=')/?$expand=microsoft.graph.itemattachment/item — Dev, Nov 17 '20 at 17:07
"contentType": "message/rfc822","size": 36714, but on postman the size is 6.48 KB — Mina Fawzy, Nov 17 '20 at 17:42
how I can save the file with $expand=microsoft.graph.itemattachment/item call — Mina Fawzy, Nov 17 '20 at 17:42
Can you clarify when you say the file is getting truncated, you meant to say the entire mime(.eml) is not shown when you make the call or file is not getting downloaded? — Dev, Nov 21 '20 at 05:19
I figure this out while uploading the file its truncating so I change the way I create eml file — Mina Fawzy, Nov 23 '20 at 15:22

score 1 · Accepted Answer · answered Nov 23 '20 at 15:24

1

I figure this out I was creating EML with the Mac Mailer app and while it's uploading the file its truncating the file but with Outlook it's working just fine

answered Nov 23 '20 at 15:24

Mina Fawzy

20,852
17
133
156

yea Thanks a lot – Mina Fawzy Nov 23 '20 at 16:04

Msgraph - download .eml as itemAttachment from msgraph api

1 Answers1