🌴 Sync 2026-03-05 23:51:42

luci-theme-spectra/root/usr/libexec/spectra/bing_wallpaper

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+BING_BASE=http://www.bing.com
+CACHE=/var/run/spectra_bing.url
+WRLOCK=/var/lock/spectra_bing.lock
+
+fetch_url_path() {
+    curl --fail --show-error --max-time 1 \
+        "$BING_BASE/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=en-US" 2>/dev/null \
+        | jsonfilter -q -e '@.images[0].url'
+}
+
+try_update() {
+    local lock="$WRLOCK"
+    exec 200>$lock
+
+    if flock -n 200 >/dev/null 2>&1; then
+        local path=`fetch_url_path`
+        if [ -n "$path" ]; then
+            echo "${BING_BASE}${path}" | tee "$CACHE"
+        else
+            if [ -s "$CACHE" ]; then
+                cat "$CACHE"
+            else
+                touch "$CACHE"
+            fi
+        fi
+        flock -u 200 >/dev/null 2>&1
+    elif [ -s "$CACHE" ]; then
+        cat "$CACHE"
+    fi
+}
+
+get_url() {
+    if [ -f "$CACHE" ]; then
+        local idle_t=$((`date '+%s'` - `date -r "$CACHE" '+%s' 2>/dev/null || echo '0'`))
+        if [ -s "$CACHE" ]; then
+            if [ $idle_t -le 43200 ]; then
+                cat "$CACHE"
+                return
+            fi
+        else
+            if [ $idle_t -le 120 ]; then
+                return
+            fi
+        fi
+    fi
+    try_update
+}
+
+get_url

luci-theme-spectra/root/usr/libexec/spectra/online_wallpaper

@@ -0,0 +1,72 @@
+#!/bin/sh
+
+WEB_PIC_SRC=$(uci -q get spectra.@global[0].online_wallpaper || echo 'bing')
+CACHE=/var/run/spectra_${WEB_PIC_SRC}.url
+WRLOCK=/var/lock/spectra_${WEB_PIC_SRC}.lock
+
+fetch_pic_url() {
+    case $WEB_PIC_SRC in
+    bing)
+        local picpath=$(curl -fks --max-time 3 \
+            "https://www.bing.com/HPImageArchive.aspx?format=js&n=1" |
+            jsonfilter -qe '@.images[0].url')
+        [ -n "${picpath}" ] && echo "//www.bing.com${picpath}"
+        ;;
+    unsplash)
+        curl -fks --max-time 3 \
+            "https://source.unsplash.com/1920x1080/daily?wallpapers" |
+            sed -E 's#^.*href="([^?]+)\?.*$#\1?fm=jpg\&fit=crop\&w=1920\&h=1080#'
+        ;;
+    unsplash_*)
+        local collection_id=${WEB_PIC_SRC#unsplash_}
+        curl -fks --max-time 3 \
+            "https://source.unsplash.com/collection/${collection_id}/1920x1080" |
+            sed -E 's#^.*href="([^?]+)\?.*$#\1?fm=jpg\&fit=crop\&w=1920\&h=1080#'
+        ;;
+    wallhaven)
+        curl -fks --max-time 3 \
+            "https://wallhaven.cc/api/v1/search?resolutions=1920x1080&sorting=random" |
+            jsonfilter -qe '@.data[0].path'
+        ;;
+    esac
+}
+
+try_update() {
+    local lock="$WRLOCK"
+    exec 200>$lock
+
+    if flock -n 200 >/dev/null 2>&1; then
+        local picurl=$(fetch_pic_url)
+        if [ -n "$picurl" ]; then
+            echo "${picurl}" | tee "$CACHE"
+        else
+            if [ -s "$CACHE" ]; then
+                cat "$CACHE"
+            else
+                touch "$CACHE"
+            fi
+        fi
+        flock -u 200 >/dev/null 2>&1
+    elif [ -s "$CACHE" ]; then
+        cat "$CACHE"
+    fi
+}
+
+get_url() {
+    if [ -f "$CACHE" ]; then
+        local idle_t=$(($(date '+%s') - $(date -r "$CACHE" '+%s' 2>/dev/null || echo '0')))
+        if [ -s "$CACHE" ]; then
+            if [ $idle_t -le 43200 ]; then
+                cat "$CACHE"
+                return
+            fi
+        else
+            if [ $idle_t -le 120 ]; then
+                return
+            fi
+        fi
+    fi
+    try_update
+}
+
+get_url