challenge: New script to display its own progression in CLI

pkg/challenge/progression.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# /proc/cmdline parser (from Gentoo Wiki)
+cmdline() {
+    local value
+    value=" $(cat /proc/cmdline) "
+    value="${value##* $1=}"
+    value="${value%% *}"
+    [ "$value" != "" ] && echo "$value"
+}
+
+PROGRESSION=$(curl -s -f "http://172.23.0.1/api/students/$(cmdline adlin.login)/progress")
+
+[ $? -ne 0 ] && {
+    echo "Vous ne semblez pas connecté.e. Passez au moins la première étape pour afficher votre progression."
+    exit
+}
+
+for CHID in 0 1 2 3 4 5 10 11 12 6 7 8 9
+do
+    [ $(echo "${PROGRESSION}" | jq -r ".\"${CHID}\".time") != "null" ] && echo -ne " \e[42;30;01m " || echo -ne " \e[41;01m "
+    case $CHID in
+        0) echo -n "rooted";;
+        6) echo -n "Hidden bonus";;
+        7) echo -n "ICMP bonus";;
+        8) echo -n "Disk bonus";;
+        9) echo -n "Email bonus";;
+        10) echo -n "WG tunnel up";;
+        11) echo -n "SSH key shared";;
+        12) echo -n "The end";;
+        *) echo -n "Step $CHID";;
+    esac
+    echo -en " \e[0m  "
+done
+
+echo