Basic featuresHEADmain

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diff --git a/clients/cli/README.md b/clients/cli/README.md
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+# Save CLI
+
+## Requirements
+
+-   `curl`, `sh`, `awk` (unix utilities)
+-   `jq` (JSON parser)
+-   `dmenu` (file selection menu; env-specifiable)
+-   `xclip` (copy to clipboard; env-specifiable)
+
+## Docs
+
+-   see `./save -h` and source-code
+
+## Installation
+
+Just move the `save` script somewhere into your `$PATH` (e.g.
+`~/.local/bin` `/usr/local/bin`). Also make sure that it's executable
+(`chmod +x save`).
diff --git a/clients/cli/save b/clients/cli/save
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+#!/bin/sh
+
+set -e
+
+SAVE_TEXTVIEW=${SAVE_TEXTVIEW:-less}
+SAVE_CLIP=${SAVE_CLIPCMD:-xclip -selection c -t}
+SAVE_MENU=${SAVE_MENU:-dmenu}
+
+if [ -z "$SAVE_URL" ]; then
+	echo "Please specify the URL of your server first:"
+	printf "URL: "
+	read -r url
+
+	echo
+	echo "Please add the following to your ~/.{bash_,zsh_,..}profile:"
+	echo "  export SAVE_URL=$url"
+	echo "Then restart your current session or execute the export directly in the terminal (temporarily)"
+	exit 0
+fi
+
+if [ -z "$SAVE_TOKEN" ]; then
+	echo "Please login first:"
+	printf "username: "
+	read -r username
+
+	stty -echo
+	printf "password: "
+	read -r password
+	stty echo
+	printf "\n"
+
+	authorized=$(curl -d "username=$username&password=$password" -X POST "$SAVE_URL/login" 2>/dev/null)
+	echo
+	if [ "$(echo "$authorized" | jq -r .error)" = "success" ]; then
+		echo "Login was successful!"
+		echo "Please add the following to your ~/.{bash_,zsh_,..}profile:"
+		echo "  export SAVE_TOKEN=$(echo "$authorized" | jq -r .token)"
+		echo "Then restart your current session or execute the export directly in the terminal (temporarily)"
+	else
+		echo "$authorized" | jq -r .error
+	fi
+	exit 0
+fi
+
+if [ "$1" = "-cf" ]; then
+	saved=$(curl -H "token: $SAVE_TOKEN" "$SAVE_URL/saved" 2>/dev/null)
+	selected=$(echo "$saved" | jq -r '.data | .[] | select(.type == "file") | "\(.name) \(.token)"' | $SAVE_MENU -l 5 -i)
+	mimetype=$(echo "$saved" | jq -r --arg TOKEN "$(echo "$selected" | awk '{print $NF}')" '.data | .[] | select(.token == $TOKEN).mimetype')
+	curl -H "token: $SAVE_TOKEN" "$SAVE_URL/file/$(echo "$selected" | awk '{print $NF}')" | $SAVE_CLIP "$mimetype"
+elif [ "$1" = "-df" ]; then
+	saved=$(curl -H "token: $SAVE_TOKEN" "$SAVE_URL/saved" 2>/dev/null)
+	selected=$(echo "$saved" | jq -r '.data | .[] | select(.type == "file") | "\(.name) \(.token)"' | $SAVE_MENU -l 5 -i)
+	curl -H "token: $SAVE_TOKEN" "$SAVE_URL/file/$(echo "$selected" | awk '{print $NF}')" -o "$(echo "$selected" | awk 'NF--')"
+elif [ "$1" = "-dt" ]; then
+	saved=$(curl -H "token: $SAVE_TOKEN" "$SAVE_URL/saved" 2>/dev/null)
+	echo "$saved" | jq -r '.data | .[] | select(.type == "text").data' | $SAVE_TEXTVIEW
+elif [ "$1" = "-uf" ]; then
+	file=${2:-/dev/stdin}
+	echo "uploading $file..."
+	curl -H "token: $SAVE_TOKEN" -F "file=@$file" -X POST "$SAVE_URL/file" 2>/dev/null | jq -r .error
+elif [ "$1" = "-ut" ]; then
+	printf "text: "
+	read -r text
+	curl -H "token: $SAVE_TOKEN" -d "data=$text" -X POST "$SAVE_URL/text" 2>/dev/null | jq -r .error
+elif [ -z "$1" ]; then
+	if [ -p /dev/stdin ]; then
+		echo "Error: You need to apply arguments if you're piping!"
+		exit 1
+	fi
+
+	# TODO: This could be way more POSIX-y
+	read -p "[u]pload or [d]ownload? " -n 1 -r
+	echo
+	if [[ $REPLY =~ ^[Uu]$ ]]; then
+		read -p "upload [f]ile or [t]ext? " -n 1 -r
+		echo
+		if [[ $REPLY =~ ^[Ff]$ ]]; then
+			printf "file: "
+			read -e -r file
+			$0 -uf $file
+		elif [[ $REPLY =~ ^[Tt]$ ]]; then
+			$0 -ut
+		fi
+	elif [[ $REPLY =~ ^[Dd]$ ]]; then
+		read -p "download [f]ile or [t]ext? " -n 1 -r
+		echo
+		if [[ $REPLY =~ ^[Ff]$ ]]; then
+			read -p "to [c]lipboard or to [f]ile?" -n 1 -r
+			echo
+			if [[ $REPLY =~ ^[Cc]$ ]]; then
+				$0 -cf
+			elif [[ $REPLY =~ ^[Ff]$ ]]; then
+				$0 -df
+			fi
+		elif [[ $REPLY =~ ^[Tt]$ ]]; then
+			$0 -dt
+		fi
+	fi
+else
+	printf "Don't panic!\n\nEnvironment variables:\n\tSAVE_URL\tthe URL of your save instance (e.g. example.com:8080)\n\tSAVE_TOKEN\tthe access token of your account\n\tSAVE_TEXTVIEW\tthe view for text (e.g. 'vim -R -', 'less')\n\tSAVE_CLIP\tthe clipboard manager command; adds mimetype as last argument (e.g. 'xclip -selection c -t')\n\tSAVE_MENU\tthe menu selector (e.g. dmenu)\nA magical prompt will show up if you haven't set the correct variables yet.\n\nUsage: $0 [OPTIONS]\nOptions:\n\t-h\tshow help\n\t-cf\tcopy files to clipboard using menu\n\t-df\tdownload files into current dir using menu\n\t-dt\tdownload/view all texts in a textview\n\t-uf\tupload a specified file (arg 2) or stdin (no arg)\n\t-ut\tupload a text (prompt)\n\t[none]\tinteractive CLI (only for non-stdin)\n"
+fi