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beppler/odrive.sh

Created April 13, 2025 20:46
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  1. beppler created this gist Apr 13, 2025.
    181 changes: 181 additions & 0 deletions odrive.sh
    View file
    Original file line number Diff line number Diff line change
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    #!/bin/bash
    #
    # OneDrive Downloader: A tool to download files from OneDrive links via the terminal.
    #
    # This script retrieves a "badger" token and prepares the target file for download.
    #
    # Commands used:
    # - curl
    # - grep
    # - base64
    # - tr

    set -euo pipefail

    usage() {
    cat << EOF
    Usage:
    $0 [-d <OUT_DIR>] [-f <OUT_FILE>] <ONE_DRIVE_URL>
    Options:
    -d <OUT_DIR>: specifies the output directory for the file(s) keeping the original filename (e.g., -d /home/user)
    -f <OUT_FILE>: sets the local filename (e.g., -f ~/Downloads/file.zip)
    Args:
    <ONE_DRIVE_URL>: A OneDrive URL (e.g., https://1drv.ms/u/s!XXX)
    EOF
    }

    validate_url() {
    local url="$1"
    if [[ "$url" =~ ^https://1drv\.ms/.+$ ]]; then
    return 0
    else
    return 1
    fi
    }

    encode_url() {
    # see https://learn.microsoft.com/en-us/onedrive/developer/rest-api/api/shares_get?view=odsp-graph-online#encoding-sharing-urls
    local url="$1"
    echo -n "$url" | base64 -w0 | tr -d '=' | tr '/+' '_-'
    }

    get_badger_token() {
    local token=$(curl -s -X POST \
    -H "Content-Type: application/json" \
    -d '{"appId":"5cbed6ac-a083-4e14-b191-b4ba07653de2"}' \
    https://api-badgerp.svc.ms/v1.0/token)

    if [[ -n "$token" ]]; then
    token=$(echo "$token" | grep -oP '"token":"\K[^"]+')
    if [[ -n "$token" ]]; then
    echo "$token"
    else
    echo "Error: Failed to parse Badger token." >&2
    exit 1
    fi
    else
    echo "Error: Failed to retrieve Badger token." >&2
    exit 1
    fi
    }

    get_drive_id() {
    # Without this call the actual downloading call will be rejected as Unauthorized
    local onedrive_encoded_url="$1"
    local token="$2"

    local drive_id=$(curl -s \
    -H "Accept: application/json" \
    -H "Prefer: autoredeem" \
    -H "Authorization: Badger $token" \
    "https://my.microsoftpersonalcontent.com/_api/v2.0/shares/u!$onedrive_encoded_url/driveitem?%24select=id%2CparentReference")

    if [[ -n "$drive_id" ]]; then
    drive_id=$(echo "$drive_id" | grep -oP '"driveId":"\K[^"]+' | tr '[:upper:]' '[:lower:]')
    if [[ -n "$drive_id" ]]; then
    echo "$drive_id"
    else
    echo "Error: Failed to parse drive ID." >&2
    exit 1
    fi
    else
    echo "Error: Failed to retrieve drive ID." >&2
    exit 1
    fi
    }

    get_url_type() {
    local onedrive_encoded_url="$1"
    local token="$2"

    curl -s "https://api.onedrive.com/v1.0/shares/u!$onedrive_encoded_url/driveItem?\$expand=children" \
    -H "Authorization: Badger $token" | grep -q '"folder":' && echo "folder" || echo "file"
    }

    download_file() {
    local onedrive_encoded_url="$1"
    local token="$2"
    local dir="$3"
    local filename="$4"

    local target_url=$(curl -s -w %{redirect_url} -o /dev/null "https://api.onedrive.com/v1.0/shares/u!$onedrive_encoded_url/root/content" \
    -H "Authorization: Badger $token")

    if [[ -z "$filename" ]]; then
    filename=$(curl -sI "$target_url" |
    grep -i "Content-Disposition" |
    sed 's/.*filename="//; s/".*//')
    fi

    curl --progress-bar -o "$dir/$filename" "$target_url"
    }

    download_folder() {
    local onedrive_encoded_url="$1"
    local token="$2"
    local dir="$3"

    while IFS= read -r url
    do
    filename=$(curl -sI "$url" | grep -i "Content-Disposition" |
    sed 's/.*filename="//; s/".*//')
    curl --progress-bar -o "$dir/$filename" "$url"
    done < <(curl -s "https://api.onedrive.com/v1.0/shares/u!$onedrive_encoded_url/driveItem?\$expand=children" \
    -H "Authorization: Badger $token" | grep -oP '"@content.downloadUrl":"\K[^"]+')
    }

    out_file=""
    out_dir="."

    while getopts "hf:d:" opt; do
    case ${opt} in
    f)
    out_file="${OPTARG}"
    ;;
    d)
    out_dir="${OPTARG}"
    ;;
    h)
    usage
    exit 1
    ;;
    :)
    echo "Option -${OPTARG} requires an argument."
    exit 1
    ;;
    *)
    usage
    exit 1
    ;;
    esac
    done

    shift $((OPTIND-1))

    if [[ $# -ne 1 ]]; then
    usage
    exit 1
    fi

    onedrive_url="$1"

    if ! validate_url "$onedrive_url"; then
    echo "Error: Invalid OneDrive URL format." >&2
    usage
    exit 1
    fi

    onedrive_encoded_url=$(encode_url "$onedrive_url")
    badger_token=$(get_badger_token)
    drive_id=$(get_drive_id "$onedrive_encoded_url" "$badger_token")
    url_type=$(get_url_type "$onedrive_encoded_url" "$badger_token")

    if [[ "$url_type" = "file" ]]
    then
    download_file "$onedrive_encoded_url" "$badger_token" "$out_dir" "$out_file"
    else
    echo "The url leads to a folder, downloading the folder's content. -f flag will be ignored"
    download_folder "$onedrive_encoded_url" "$badger_token" "$out_dir"
    fi