feat(gitea): add download() method

2022-10-22 00:49:11 +02:00
parent 522deb3c6a
commit 190b01fa6d
2 changed files with 215 additions and 14 deletions
--- a/resources/com/cadoles/gitea/gitea-download.sh
+++ b/resources/com/cadoles/gitea/gitea-download.sh
@ -0,0 +1,161 @@
+#!/bin/bash
+
+set -eo pipefail
+
+GITEA_DOWNLOAD_PROJECT=${GITEA_DOWNLOAD_PROJECT}
+GITEA_DOWNLOAD_ORG=${GITEA_DOWNLOAD_ORG}
+GITEA_DOWNLOAD_BASE_URL=${GITEA_BASE_URL:-https://forge.cadoles.com}
+GITEA_DOWNLOAD_USERNAME=${GITEA_DOWNLOAD_USERNAME}
+GITEA_DOWNLOAD_PASSWORD=${GITEA_DOWNLOAD_PASSWORD}
+GITEA_DOWNLOAD_RELEASE_NAME=${GITEA_DOWNLOAD_RELEASE_NAME:-latest}
+GITEA_DOWNLOAD_TARGET_DIRECTORY=${GITEA_DOWNLOAD_TARGET_DIRECTORY:-gitea-dl}
+
+function check_dependencies {
+    assert_command_available 'curl'
+    assert_command_available 'jq'
+}
+
+function assert_command_available {
+    local command=$1
+    local command_path=$(which $command)
+
+    if [ -z "$command_path" ]; then
+        echo "The '$command' command could not be found. Please install it before using this script." 1>&2
+        exit 1
+    fi
+}
+
+function check_environment {
+    assert_environment GITEA_DOWNLOAD_PROJECT
+    assert_environment GITEA_DOWNLOAD_ORG
+    assert_environment GITEA_DOWNLOAD_BASE_URL
+}
+
+function source_env_file {
+    if [ ! -f '.env' ]; then
+        return 0
+    fi
+    set -o allexport
+    source .env
+    set +o allexport
+}
+
+function assert_environment {
+    local name=$1
+    local value=${!name}
+
+    if [ -z "$value" ]; then
+        echo "The $"$name" environment variable is empty." 1>&2
+        exit 1
+    fi
+}
+
+function ask_credentials {
+    if [ -z "$GITEA_DOWNLOAD_USERNAME" ]; then
+        echo -n "Username: "
+        read GITEA_DOWNLOAD_USERNAME
+        
+    fi
+    if [ -z "$GITEA_DOWNLOAD_PASSWORD" ]; then
+        echo -n "Password: "
+        stty -echo
+        read GITEA_DOWNLOAD_PASSWORD
+        stty echo 
+        echo
+    fi
+}
+
+function retrieve_release_name {
+    if [ ! -z "$GITEA_DOWNLOAD_RELEASE_NAME" ]; then
+        return
+    fi
+
+    echo -n "Release name: "
+    read GITEA_DOWNLOAD_RELEASE_NAME
+}
+
+function retrieve_target_directory {
+    if [ ! -z "$GITEA_DOWNLOAD_TARGET_DIRECTORY" ]; then
+        return
+    fi
+
+    echo -n "Target directory: "
+    read GITEA_DOWNLOAD_TARGET_DIRECTORY
+}
+
+function json_set {
+    local data=$1
+    local key=$2
+    local value=$3
+    local use_raw_file=$4
+
+    if [ "$use_raw_file" != "true" ]; then
+        echo $data | jq -cr --argjson v "$value" --arg k "$key" '.[$k] = $v'
+    else
+        local tmpfile=$(mktemp)
+        echo "$value" > "$tmpfile"
+        echo $data | jq -cr --rawfile v "$tmpfile" --arg k "$key" '.[$k] = $v'
+        rm -f "$tmpfile"
+    fi
+}
+
+function gitea_api {
+    local path=$1
+    local args=${@:2}
+
+    curl -L \
+        --fail \
+        --ipv4 \
+        -u "$GITEA_DOWNLOAD_USERNAME:$GITEA_DOWNLOAD_PASSWORD" \
+        ${args} \
+        "$GITEA_DOWNLOAD_BASE_URL/api/v1$path"
+}
+
+function gitea_download {
+    local attachment_id=$1
+    local output=$2
+
+    curl -L \
+        --fail \
+        --ipv4 \
+        -u "$GITEA_DOWNLOAD_USERNAME:$GITEA_DOWNLOAD_PASSWORD" \
+        --output "$output" \
+        "$GITEA_DOWNLOAD_BASE_URL/attachments/$attachment_id"
+}
+
+function download_release_files {
+    local releases=$(gitea_api "/repos/${GITEA_DOWNLOAD_ORG}/${GITEA_DOWNLOAD_PROJECT}/releases")
+
+    local assets
+    if [ "$GITEA_DOWNLOAD_RELEASE_NAME" == "latest" ]; then
+        assets=$(echo $releases | jq -r '. | sort_by(.id) | reverse | .[0].assets')
+    else
+        assets=$(echo $releases | jq -r --arg name "$GITEA_DOWNLOAD_RELEASE_NAME" '. | map(select( .name == $name)) | .[0].assets')
+    fi
+
+    if [ "$assets" == "null" ]; then
+        echo 1>&2 "No release found."
+        exit 1
+    fi
+
+    mkdir -p "$GITEA_DOWNLOAD_TARGET_DIRECTORY"
+
+    local attachment_uuids=$(echo $assets | jq -r '.[].uuid')
+
+    for uuid in $attachment_uuids; do
+        local filename=$(echo $assets | jq -r --arg uuid "$uuid" '. | map(select( .uuid == $uuid)) | .[0].name')        
+        gitea_download "$uuid" "$GITEA_DOWNLOAD_TARGET_DIRECTORY/$filename"
+    done
+}
+
+function main {
+    check_dependencies
+    source_env_file
+    check_environment
+    ask_credentials
+    retrieve_release_name
+    retrieve_target_directory
+    download_release_files
+}
+
+main