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hf: kid mode enforcement for image gen #54

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hf: kid mode enforcement for image gen #54

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f59d2b9
hf: kid mode image gen
jayinatlanta Mar 3, 2026
9c782e7
UI: throw specific kid mode exception
jayinatlanta Mar 3, 2026
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2 changes: 2 additions & 0 deletions app/src/main/java/com/llmhub/llmhub/imagegen/ImageGeneratorHelper.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,8 @@ class ImageGeneratorHelper(private val context: Context) {
}

bitmap
} catch (e: SecurityException) {
throw e
} catch (e: Exception) {
Log.e(TAG, "Failed to generate image: ${e.message}", e)
null
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23 changes: 21 additions & 2 deletions app/src/main/java/com/llmhub/llmhub/imagegen/StableDiffusionHelper.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -217,10 +217,27 @@ class StableDiffusionHelper(private val context: Context) {
}
}

val kidModeManager = com.llmhub.llmhub.utils.KidModeManager(context)
val isKidMode = kidModeManager.isKidModeEnabled.value

var finalPrompt = prompt
var finalNegativePrompt = negativePrompt

if (isKidMode) {
val lowerPrompt = prompt.lowercase()
val blockedWords = listOf("nsfw", "nude", "naked", "sex", "porn", "gore", "blood", "kill", "murder", "violence", "explicit","erotic", "hentai")
if (blockedWords.any { lowerPrompt.contains(it) }) {
throw SecurityException("Kid Mode violation: can't generate that.")
}

finalPrompt = "safe, family friendly, educational, $prompt"
finalNegativePrompt = "$negativePrompt, nsfw, nude, naked, sexually suggestive, explicit, gore, violence, blood, scary"
}

// Build JSON request body
val json = JSONObject().apply {
put("prompt", prompt)
put("negative_prompt", negativePrompt)
put("prompt", finalPrompt)
put("negative_prompt", finalNegativePrompt)
put("steps", steps)
put("cfg", cfg.toDouble())
if (seed != null) put("seed", seed)
Expand Down Expand Up @@ -349,6 +366,8 @@ class StableDiffusionHelper(private val context: Context) {
}

bitmap
} catch (e: SecurityException) {
throw e
} catch (e: Exception) {
Log.e(TAG, "Failed to generate image: ${e.message}", e)
null
Expand Down