这是indexloc提供的服务，不要输入任何密码
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feat: added forward/back buttons to hex preview #1360

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Merged
merged 2 commits into from
Jun 2, 2025
Merged

feat: added forward/back buttons to hex preview #1360

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422d607
feat: added forward/back buttons to hex preview
jstucke Apr 10, 2025
d6bf9f5
feat: load hex preview on enter press
jstucke May 22, 2025
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35 changes: 28 additions & 7 deletions src/web_interface/static/js/show_analysis_preview.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
const preview_loading_gif = document.getElementById("preview-loading-gif");
const preview_button = document.getElementById("preview_button");
const offset_input = document.getElementById("hex-preview-offset");
const hex_preview_len = document.getElementById("hex-preview-length");

function hide_gif(element) {
element.style.display = "none";
Expand Down Expand Up @@ -32,7 +33,7 @@ async function highlightCode(jqElement, lineNumbering = false, sizeLimit = 10485
}
}

function load_preview(offset = null, focus = false) {
function loadPreview(offset = null, focus = false) {
let resourcePath;
document.getElementById("preview_button").onclick = () => false;
if (focus && offset !== null) {
Expand All @@ -43,22 +44,42 @@ function load_preview(offset = null, focus = false) {
resourcePath = `/ajax_get_binary/${mimeType}/${uid}`;
} else {
// hex preview
offset_input.classList.remove("is-invalid");
if (!validateHexPreviewInputs()) return;
$("#preview-content").html("");
document.getElementById("hex-preview-form").style.display = "flex";
let offset = parseInt(offset_input.value);
if (isNaN(offset)) {
offset_input.classList.add("is-invalid");
return;
}
let length = document.getElementById("hex-preview-length").value;
resourcePath = `/ajax_get_hex_preview/${uid}/${offset}/${length}`;
}
preview_loading_gif.style.display = "block";
$("#preview-content").load(resourcePath, init_preview);
}

preview_button.onclick = load_preview;
function movePreviewOffset(back=false) {
if (!validateHexPreviewInputs()) return;
const length = parseInt(hex_preview_len.value);
let offset = parseInt(offset_input.value);
offset += back ? -length : length;
// do nothing if we are at the start/end already
if (offset < 0 || offset > fileSize) return;
const isInHex = offset_input.value.startsWith("0x");
offset_input.value = isInHex ? `0x${offset.toString( 16)}` : offset.toString();
loadPreview();
}

function validateHexPreviewInputs() {
let valid = true;
[hex_preview_len, offset_input].forEach(input => {
input.classList.remove("is-invalid");
if (isNaN(parseInt(input.value))) {
input.classList.add("is-invalid");
valid = false;
}
});
return valid;
}

preview_button.onclick = loadPreview;
let rawResultIsHighlighted = false;
const toggleSwitch = document.getElementById("rawResultSwitch");
const analysisTable = document.getElementById("analysis-table-body");
Expand Down
2 changes: 1 addition & 1 deletion src/web_interface/templates/show_analysis.html
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ <h3>
load_summary(uid, selected_analysis, focus=true);
} else if (preview !== false) {
// automatically load preview at address xyz if URL parameter "load_preview=xyz" is set
load_preview(preview, true);
loadPreview(preview, true);
}
});
</script>
Expand Down
16 changes: 13 additions & 3 deletions src/web_interface/templates/show_analysis/preview.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -13,19 +13,29 @@
<div class="input-group-prepend">
<div class="input-group-text">Offset</div>
</div>
<input type="text" class="form-control" id="hex-preview-offset" value="0">
<input type="text" class="form-control" id="hex-preview-offset" value="0"
onkeydown="if(event.key === 'Enter') loadPreview();">
</div>
</div>
<div class="col-auto">
<div class="input-group input-group-sm mb-2">
<div class="input-group-prepend">
<div class="input-group-text">Length</div>
</div>
<input type="number" min="1" class="form-control" id="hex-preview-length" value="512">
<input type="number" min="1" class="form-control" id="hex-preview-length" value="512"
onkeydown="if(event.key === 'Enter') loadPreview();">
</div>
</div>
<div class="col-auto">
<button type="button" class="btn btn-primary btn-sm" onclick="load_preview();">Update</button>
<div class="btn-group btn-group-sm" role="group" aria-label="...">
<button type="button" class="btn btn-primary btn-sm" onclick="loadPreview();">Update</button>
<button type="button" class="btn btn-primary btn-sm" onclick="movePreviewOffset(true);">
<i class="fa-solid fa-circle-chevron-left"></i>
</button>
<button type="button" class="btn btn-primary btn-sm" onclick="movePreviewOffset(false);">
<i class="fa-solid fa-circle-chevron-right"></i>
</button>
</div>
</div>
</div>
<div id="preview-loading-gif" class="border" style="display: block; padding: 5px; text-align: center">
Expand Down
1 change: 1 addition & 0 deletions src/web_interface/templates/show_analysis/select_analysis.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -72,4 +72,5 @@
waitForAnalysis(form.action, modalBody, formData);
});
});
const fileSize = {{ firmware.size }};
</script>